#737AEB
Closest named color: Cornflower (#6A79F7). oklch(62.8% 0.167 277.8), rgb(115, 122, 235).
Aa
Black text reads best on this color (5.71:1).
About this color
#737AEB is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.167 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.022 away. Black text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #737AEB |
| RGB | rgb(115, 122, 235) |
| HSL | hsl(237, 75%, 69%) |
| OKLCH | oklch(62.8% 0.167 277.8) |
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 #737AEB | 3.67:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #737AEB | 5.71:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #737AEB text on white | 3.67:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #737AEB text on black | 5.71:1 | AA | Lc -37.5 | 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
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300
#B3BCF6
oklch(80.9% 0.083 277.5)
-
Step 400
400
#8E97F1
oklch(70.7% 0.131 278.1)
-
Step 500
500 (this color)
#737AEB
oklch(62.8% 0.167 277.8)
-
Step 600
600
#5E61DA
oklch(55.6% 0.181 277.7)
-
Step 700
700
#4E4FBD
oklch(49% 0.169 277.8)
-
Step 800
800
#404299
oklch(42.8% 0.139 277.8)
-
Step 900
900
#35397A
oklch(37.8% 0.109 277.2)
-
Step 950
950
#1F2247
oklch(27.1% 0.068 277.3)
#737AEB 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) | #468AEF | 0.057 |
| Deuteranopia (no green cones) | #3981E9 | 0.061 |
| Tritanopia (no blue cones) | #4093A7 | 0.147 |
| Achromatopsia (no color) | #858585 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737AEB
#737AEB
oklch(62.8% 0.167 277.8)
- #9E8800
#9E8800
oklch(62.8% 0.13 97.7)
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 #737AEB, closest first.
No curated palette has a color within ΔE 0.04 of #737AEB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.022
- Soft Blue #6488EA ΔE 0.038
- Medium Slate Blue #7B68EE ΔE 0.043
- Periwinkle #8E82FE ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.053
- Medium Purple #9370DB ΔE 0.054
- Perrywinkle #8F8CE7 ΔE 0.065
- Dark Sky Blue #448EE4 ΔE 0.069
Use #737AEB 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.