#737FA2
Closest named color: Lavender Gray (#7E7F9A). oklch(60% 0.055 269.9), rgb(115, 127, 162).
Aa
Black text reads best on this color (5.28:1).
About this color
#737FA2 is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.055 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.019 away. Black text reads best on it, at 5.28:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #737FA2 |
| RGB | rgb(115, 127, 162) |
| HSL | hsl(225, 20%, 54%) |
| OKLCH | oklch(60% 0.055 269.9) |
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 #737FA2 | 3.97:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #737FA2 | 5.28:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #737FA2 text on white | 3.97:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #737FA2 text on black | 5.28:1 | AA | Lc -34.6 | 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 500.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#BAC0D3
oklch(80.9% 0.028 271.8)
-
Step 400
400
#96A0BC
oklch(70.7% 0.043 269.8)
-
Step 500
500 (this color)
#737FA2
oklch(60% 0.055 269.9)
-
Step 600
600
#657297
oklch(55.6% 0.06 269.4)
-
Step 700
700
#545F81
oklch(49% 0.056 270.4)
-
Step 800
800
#454E69
oklch(42.7% 0.046 270.1)
-
Step 900
900
#3A4155
oklch(37.7% 0.036 269.6)
-
Step 950
950
#222632
oklch(27% 0.023 270.4)
#737FA2 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) | #7482A4 | 0.009 |
| Deuteranopia (no green cones) | #707EA1 | 0.005 |
| Tritanopia (no blue cones) | #67868B | 0.050 |
| Achromatopsia (no color) | #808080 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737FA2
#737FA2
oklch(60% 0.055 269.9)
- #8D7F5A
#8D7F5A
oklch(60% 0.055 89.7)
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 #737FA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.019
- Slate Gray #708090 ΔE 0.030
- Steel #738595 ΔE 0.031
- Light Slate Gray #778899 ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.035
- Off Blue #5684AE ΔE 0.038
- Grey Blue #647D8E ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.040
Use #737FA2 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.