#374462
Closest named color: Dark Grey Blue (#29465B). oklch(38.9% 0.054 266), rgb(55, 68, 98).
Aa
White text reads best on this color (9.69:1).
About this color
#374462 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.054 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.024 away. White text reads best on it, at 9.69:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.16:1 |
| White text | 9.69:1 |
Values
| HEX | #374462 |
| RGB | rgb(55, 68, 98) |
| HSL | hsl(222, 28%, 30%) |
| OKLCH | oklch(38.9% 0.054 266) |
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 #374462 | 9.69:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #374462 | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #374462 text on white | 9.69:1 | AAA | Lc 92.4 | Preferred for body text |
| #374462 text on black | 2.16:1 | Fails | Lc -10.0 | Not readable |
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 900.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B4C1DC
oklch(81% 0.041 265)
-
Step 400
400
#8EA0CA
oklch(70.7% 0.065 266.7)
-
Step 500
500
#7288BC
oklch(63% 0.083 266.4)
-
Step 600
600
#5A72A8
oklch(55.6% 0.089 265.3)
-
Step 700
700
#4A5F91
oklch(49.1% 0.085 266)
-
Step 800
800
#3D4E75
oklch(42.7% 0.069 265.6)
-
Step 900
900 (this color)
#374462
oklch(38.9% 0.054 266)
-
Step 950
950
#1E2637
oklch(26.9% 0.034 264.8)
#374462 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) | #3A4663 | 0.008 |
| Deuteranopia (no green cones) | #354361 | 0.005 |
| Tritanopia (no blue cones) | #294A4F | 0.047 |
| Achromatopsia (no color) | #444444 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374462
#374462
oklch(38.9% 0.054 266)
- #524321
#524321
oklch(39% 0.054 86)
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 #374462, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.024
- Charcoal #264653 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.056
- Twilight Blue #0A437A ΔE 0.058
- Onyx #343A40 ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.063
Use #374462 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.