#737FCA
Closest named color: Faded Blue (#658CBB). oklch(61.9% 0.114 275.7), rgb(115, 127, 202).
Aa
Black text reads best on this color (5.61:1).
About this color
#737FCA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.114 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.049 away. Black text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.61:1 |
| White text | 3.73:1 |
Values
| HEX | #737FCA |
| RGB | rgb(115, 127, 202) |
| HSL | hsl(232, 45%, 62%) |
| OKLCH | oklch(61.9% 0.114 275.7) |
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 #737FCA | 3.73:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #737FCA | 5.61:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #737FCA text on white | 3.73:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #737FCA text on black | 5.61:1 | AA | Lc -36.8 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B6BEE5
oklch(80.8% 0.056 276)
-
Step 400
400
#919CD8
oklch(70.7% 0.089 275.9)
-
Step 500
500 (this color)
#737FCA
oklch(61.9% 0.114 275.7)
-
Step 600
600
#606BBB
oklch(55.6% 0.124 275.7)
-
Step 700
700
#4F59A1
oklch(49.1% 0.115 275.4)
-
Step 800
800
#414983
oklch(42.7% 0.096 275.6)
-
Step 900
900
#373D69
oklch(37.6% 0.075 276.3)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#737FCA 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) | #6488CD | 0.028 |
| Deuteranopia (no green cones) | #5E81C8 | 0.027 |
| Tritanopia (no blue cones) | #568E9B | 0.101 |
| Achromatopsia (no color) | #848484 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737FCA
#737FCA
oklch(61.9% 0.114 275.7)
- #9B8525
#9B8525
oklch(62% 0.114 95.6)
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 #737FCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.049
- Soft Blue #6488EA ΔE 0.051
- Cool Blue #4984B8 ΔE 0.059
- Off Blue #5684AE ΔE 0.061
- Dusty Blue #5A86AD ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.064
- Deep Lilac #966EBD ΔE 0.064
- Steel Blue #4682B4 ΔE 0.065
Use #737FCA 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.