#737FF8
Closest named color: Cornflower (#6A79F7). oklch(64.6% 0.178 276), rgb(115, 127, 248).
Aa
Black text reads best on this color (6.12:1).
About this color
#737FF8 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.178 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.020 away. Black text reads best on it, at 6.12:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.12:1 |
| White text | 3.43:1 |
Values
| HEX | #737FF8 |
| RGB | rgb(115, 127, 248) |
| HSL | hsl(235, 90%, 71%) |
| OKLCH | oklch(64.6% 0.178 276) |
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 #737FF8 | 3.43:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #737FF8 | 6.12:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #737FF8 text on white | 3.43:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #737FF8 text on black | 6.12:1 | AA | Lc -40.1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300
#B1BCF9
oklch(80.8% 0.087 276.4)
-
Step 400
400
#8997F6
oklch(70.6% 0.139 275.9)
-
Step 500
500 (this color)
#737FF8
oklch(64.6% 0.178 276)
-
Step 600
600
#5960E1
oklch(55.6% 0.193 275.8)
-
Step 700
700
#4A4EC4
oklch(49.1% 0.18 276)
-
Step 800
800
#3C419E
oklch(42.7% 0.148 275.8)
-
Step 900
900
#33387E
oklch(37.7% 0.117 276.2)
-
Step 950
950
#1D214A
oklch(26.9% 0.075 275.9)
#737FF8 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) | #4490FC | 0.058 |
| Deuteranopia (no green cones) | #3285F5 | 0.063 |
| Tritanopia (no blue cones) | #319AB0 | 0.157 |
| Achromatopsia (no color) | #8A8A8A | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737FF8
#737FF8
oklch(64.6% 0.178 276)
- #A68C00
#A68C00
oklch(64.5% 0.133 95.8)
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 #737FF8, closest first.
No curated palette has a color within ΔE 0.04 of #737FF8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.020
- Soft Blue #6488EA ΔE 0.037
- Periwinkle #8E82FE ΔE 0.040
- Lavender Blue #8B88F8 ΔE 0.042
- Medium Slate Blue #7B68EE ΔE 0.054
- Perrywinkle #8F8CE7 ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.062
- Medium Purple #9370DB ΔE 0.066
Use #737FF8 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.