#334751
Closest named color: Charcoal (#264653). oklch(38.5% 0.03 230.1), rgb(51, 71, 81).
Aa
White text reads best on this color (9.71:1).
About this color
#334751 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.030 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.017 away. White text reads best on it, at 9.71:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.16:1 |
| White text | 9.71:1 |
Values
| HEX | #334751 |
| RGB | rgb(51, 71, 81) |
| HSL | hsl(200, 23%, 26%) |
| OKLCH | oklch(38.5% 0.03 230.1) |
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 #334751 | 9.71:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #334751 | 2.16:1 | Fails | Lc 11.4 | Not readable |
| #334751 text on white | 9.71:1 | AAA | Lc 92.5 | Preferred for body text |
| #334751 text on black | 2.16:1 | Fails | Lc -9.9 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B2C4CD
oklch(80.9% 0.023 229.2)
-
Step 400
400
#8AA5B3
oklch(70.6% 0.036 230.5)
-
Step 500
500
#6D8FA1
oklch(63.1% 0.047 231.5)
-
Step 600
600
#54798C
oklch(55.6% 0.051 231.2)
-
Step 700
700
#446676
oklch(49.1% 0.047 229.1)
-
Step 800
800
#385360
oklch(42.6% 0.039 229.5)
-
Step 900
900 (this color)
#334751
oklch(38.5% 0.03 230.1)
-
Step 950
950
#1D282E
oklch(26.9% 0.019 232.2)
#334751 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) | #424652 | 0.022 |
| Deuteranopia (no green cones) | #3E4351 | 0.019 |
| Tritanopia (no blue cones) | #294A4A | 0.022 |
| Achromatopsia (no color) | #444444 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334751
#334751
oklch(38.5% 0.03 230.1)
- #513F35
#513F35
oklch(38.4% 0.03 50.5)
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 #334751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.017
- Dark Grey Blue #29465B ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.028
- Charcoal Grey #3C4142 ΔE 0.028
- Dark Teal #014D4E ΔE 0.043
- Onyx #343A40 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.050
- Deep Teal #00555A ΔE 0.051
Use #334751 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.