#737BC2
Closest named color: Faded Blue (#658CBB). oklch(60.7% 0.108 277.8), rgb(115, 123, 194).
Aa
Black text reads best on this color (5.34:1).
About this color
#737BC2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.108 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.052 away. Black text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.34:1 |
| White text | 3.93:1 |
Values
| HEX | #737BC2 |
| RGB | rgb(115, 123, 194) |
| HSL | hsl(234, 39%, 61%) |
| OKLCH | oklch(60.7% 0.108 277.8) |
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 #737BC2 | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #737BC2 | 5.34:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #737BC2 text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #737BC2 text on black | 5.34:1 | AA | Lc -35.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8ED
oklch(88.6% 0.029 277.2)
-
Step 300
300
#B8BEE3
oklch(80.9% 0.053 277.9)
-
Step 400
400
#949CD5
oklch(70.8% 0.084 277.9)
-
Step 500
500 (this color)
#737BC2
oklch(60.7% 0.108 277.8)
-
Step 600
600
#646BB7
oklch(55.7% 0.117 277.9)
-
Step 700
700
#53599D
oklch(49.1% 0.108 277.8)
-
Step 800
800
#444980
oklch(42.8% 0.091 277.9)
-
Step 900
900
#393D66
oklch(37.6% 0.07 278.2)
-
Step 950
950
#21243C
oklch(27% 0.045 277.5)
#737BC2 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) | #6384C5 | 0.029 |
| Deuteranopia (no green cones) | #5D7DC0 | 0.029 |
| Tritanopia (no blue cones) | #5B8995 | 0.095 |
| Achromatopsia (no color) | #808080 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737BC2
#737BC2
oklch(60.7% 0.108 277.8)
- #94822A
#94822A
oklch(60.6% 0.108 97.4)
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 #737BC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.052
- Off Blue #5684AE ΔE 0.057
- Cool Blue #4984B8 ΔE 0.057
- Dusty Blue #5A86AD ΔE 0.058
- Deep Lilac #966EBD ΔE 0.059
- Steel Blue #4682B4 ΔE 0.061
- Soft Blue #6488EA ΔE 0.064
- Lavender Gray #7E7F9A ΔE 0.067
Use #737BC2 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.