#334353
Closest named color: Dark Grey Blue (#29465B). oklch(37.6% 0.034 248.8), rgb(51, 67, 83).
Aa
White text reads best on this color (10.15:1).
About this color
#334353 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.034 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.017 away. White text reads best on it, at 10.15:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.06:1 |
| White text | 10.15:1 |
Values
| HEX | #334353 |
| RGB | rgb(51, 67, 83) |
| HSL | hsl(210, 24%, 26%) |
| OKLCH | oklch(37.6% 0.034 248.8) |
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 #334353 | 10.15:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #334353 | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #334353 text on white | 10.15:1 | AAA | Lc 93.6 | Preferred for body text |
| #334353 text on black | 2.06:1 | Fails | Lc -9.0 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B4C2D1
oklch(80.8% 0.026 250)
-
Step 400
400
#8DA3BA
oklch(70.6% 0.042 249.6)
-
Step 500
500
#718DA9
oklch(63.2% 0.053 248.7)
-
Step 600
600
#597694
oklch(55.5% 0.058 249.8)
-
Step 700
700
#49637E
oklch(49% 0.054 249.9)
-
Step 800
800
#3C5166
oklch(42.6% 0.044 248.9)
-
Step 900
900 (this color)
#334353
oklch(37.6% 0.034 248.8)
-
Step 950
950
#1E2731
oklch(26.9% 0.023 251.3)
#334353 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) | #3D4354 | 0.015 |
| Deuteranopia (no green cones) | #394053 | 0.012 |
| Tritanopia (no blue cones) | #294748 | 0.030 |
| Achromatopsia (no color) | #414141 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334353
#334353
oklch(37.6% 0.034 248.8)
- #4D3E2D
#4D3E2D
oklch(37.5% 0.034 70)
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 #334353, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.017
- Charcoal #264653 ΔE 0.018
- Charcoal Grey #3C4142 ΔE 0.030
- Onyx #343A40 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.042
- Dark Teal #014D4E ΔE 0.052
- Midnight Green #073B4C ΔE 0.056
Use #334353 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.