#737EEA
Closest named color: Cornflower (#6A79F7). oklch(63.5% 0.161 276.4), rgb(115, 126, 234).
Aa
Black text reads best on this color (5.90:1).
About this color
#737EEA is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.161 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.028 away. Black text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #737EEA |
| RGB | rgb(115, 126, 234) |
| HSL | hsl(234, 74%, 68%) |
| OKLCH | oklch(63.5% 0.161 276.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #737EEA | 3.55:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #737EEA | 5.90:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #737EEA text on white | 3.55:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #737EEA text on black | 5.90:1 | AA | Lc -38.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B3BDF4
oklch(81% 0.079 276.5)
-
Step 400
400
#8C99EE
oklch(70.8% 0.125 276.1)
-
Step 500
500 (this color)
#737EEA
oklch(63.5% 0.161 276.4)
-
Step 600
600
#5C63D7
oklch(55.6% 0.175 276.5)
-
Step 700
700
#4C51BA
oklch(49% 0.162 276.5)
-
Step 800
800
#3E4397
oklch(42.7% 0.135 276.5)
-
Step 900
900
#343A78
oklch(37.8% 0.104 276)
-
Step 950
950
#1E2246
oklch(26.9% 0.066 276.2)
#737EEA with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4E8DEE | 0.051 |
| Deuteranopia (no green cones) | #4283E8 | 0.053 |
| Tritanopia (no blue cones) | #4195A9 | 0.140 |
| Achromatopsia (no color) | #888888 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737EEA
#737EEA
oklch(63.5% 0.161 276.4)
- #A28A00
#A28A00
oklch(63.6% 0.131 96.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #737EEA, closest first.
No curated palette has a color within ΔE 0.04 of #737EEA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.028
- Soft Blue #6488EA ΔE 0.029
- Lavender Blue #8B88F8 ΔE 0.047
- Periwinkle #8E82FE ΔE 0.050
- Medium Slate Blue #7B68EE ΔE 0.053
- Medium Purple #9370DB ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.057
- Cornflower Blue #6495ED ΔE 0.059
Use #737EEA in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.