#737BA2
Closest named color: Lavender Gray (#7E7F9A). oklch(59.1% 0.06 275.4), rgb(115, 123, 162).
Aa
Black text reads best on this color (5.08:1).
About this color
#737BA2 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.060 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.025 away. Black text reads best on it, at 5.08:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #737BA2 |
| RGB | rgb(115, 123, 162) |
| HSL | hsl(230, 20%, 54%) |
| OKLCH | oklch(59.1% 0.06 275.4) |
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 #737BA2 | 4.13:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #737BA2 | 5.08:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #737BA2 text on white | 4.13:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #737BA2 text on black | 5.08:1 | AA | Lc -33.3 | 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
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BBC0D3
oklch(81% 0.027 274)
-
Step 400
400
#989FBC
oklch(70.7% 0.043 274.6)
-
Step 500
500
#7F87AC
oklch(63% 0.057 275.2)
-
Step 600
600 (this color)
#737BA2
oklch(59.1% 0.06 275.4)
-
Step 700
700
#575E81
oklch(49% 0.057 275.4)
-
Step 800
800
#474D69
oklch(42.7% 0.047 274.9)
-
Step 900
900
#3C4055
oklch(37.7% 0.036 276.1)
-
Step 950
950
#232632
oklch(27.1% 0.023 273.8)
#737BA2 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) | #707FA4 | 0.011 |
| Deuteranopia (no green cones) | #6C7BA1 | 0.010 |
| Tritanopia (no blue cones) | #678288 | 0.054 |
| Achromatopsia (no color) | #7D7D7D | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737BA2
#737BA2
oklch(59.1% 0.06 275.4)
- #887E54
#887E54
oklch(59.2% 0.06 96.4)
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 #737BA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.025
- Slate Gray #708090 ΔE 0.036
- Steel #738595 ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.040
- Grey Blue #647D8E ΔE 0.041
- Off Blue #5684AE ΔE 0.041
- Light Slate Gray #778899 ΔE 0.045
- Stormy Blue #507B9C ΔE 0.046
Use #737BA2 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.