#334254
Closest named color: Dark Grey Blue (#29465B). oklch(37.4% 0.037 253.3), rgb(51, 66, 84).
Aa
White text reads best on this color (10.25:1).
About this color
#334254 is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.037 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.018 away. White text reads best on it, at 10.25:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #334254 |
| RGB | rgb(51, 66, 84) |
| HSL | hsl(213, 24%, 26%) |
| OKLCH | oklch(37.4% 0.037 253.3) |
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 #334254 | 10.25:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #334254 | 2.04:1 | Fails | Lc 10.1 | Not readable |
| #334254 text on white | 10.25:1 | AAA | Lc 93.8 | Preferred for body text |
| #334254 text on black | 2.04:1 | Fails | Lc -8.7 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B5C2D2
oklch(80.9% 0.027 253.6)
-
Step 400
400
#8EA3BC
oklch(70.8% 0.044 252.9)
-
Step 500
500
#728CAB
oklch(63.1% 0.056 253.1)
-
Step 600
600
#5A7697
oklch(55.7% 0.061 253)
-
Step 700
700
#4A6381
oklch(49.2% 0.057 253.4)
-
Step 800
800
#3D5169
oklch(42.8% 0.047 253.4)
-
Step 900
900 (this color)
#334254
oklch(37.4% 0.037 253.3)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#334254 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) | #3B4355 | 0.013 |
| Deuteranopia (no green cones) | #373F54 | 0.011 |
| Tritanopia (no blue cones) | #284648 | 0.032 |
| Achromatopsia (no color) | #414141 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334254
#334254
oklch(37.4% 0.037 253.3)
- #4D3E2B
#4D3E2B
oklch(37.4% 0.037 72.9)
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 #334254, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.018
- Charcoal #264653 ΔE 0.020
- Charcoal Grey #3C4142 ΔE 0.032
- Onyx #343A40 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.046
- Midnight Green #073B4C ΔE 0.054
- Dark Teal #014D4E ΔE 0.055
Use #334254 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.