#737CA2
Closest named color: Lavender Gray (#7E7F9A). oklch(59.3% 0.059 274.1), rgb(115, 124, 162).
Aa
Black text reads best on this color (5.13:1).
About this color
#737CA2 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.059 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.023 away. Black text reads best on it, at 5.13:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.13:1 |
| White text | 4.09:1 |
Values
| HEX | #737CA2 |
| RGB | rgb(115, 124, 162) |
| HSL | hsl(229, 20%, 54%) |
| OKLCH | oklch(59.3% 0.059 274.1) |
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 #737CA2 | 4.09:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #737CA2 | 5.13:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #737CA2 text on white | 4.09:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #737CA2 text on black | 5.13:1 | AA | Lc -33.6 | 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 600.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BBC0D2
oklch(80.9% 0.026 273.4)
-
Step 400
400
#989FBC
oklch(70.7% 0.043 274.6)
-
Step 500
500
#7F88AB
oklch(63.2% 0.054 273.5)
-
Step 600
600 (this color)
#737CA2
oklch(59.3% 0.059 274.1)
-
Step 700
700
#575F80
oklch(49.2% 0.054 273.7)
-
Step 800
800
#474D68
oklch(42.6% 0.046 274.6)
-
Step 900
900
#3C4055
oklch(37.7% 0.036 276.1)
-
Step 950
950
#232632
oklch(27.1% 0.023 273.8)
#737CA2 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) | #717FA4 | 0.008 |
| Deuteranopia (no green cones) | #6D7CA1 | 0.009 |
| Tritanopia (no blue cones) | #678389 | 0.053 |
| Achromatopsia (no color) | #7D7D7D | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737CA2
#737CA2
oklch(59.3% 0.059 274.1)
- #8A7E55
#8A7E55
oklch(59.4% 0.059 93.7)
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 #737CA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.023
- Slate Gray #708090 ΔE 0.034
- Steel #738595 ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.039
- Grey Blue #647D8E ΔE 0.040
- Off Blue #5684AE ΔE 0.040
- Light Slate Gray #778899 ΔE 0.042
- Stormy Blue #507B9C ΔE 0.046
Use #737CA2 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.