#274351
Closest named color: Charcoal (#264653). oklch(36.7% 0.042 231.2), rgb(39, 67, 81).
Aa
White text reads best on this color (10.45:1).
About this color
#274351 is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.042 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.009 away. White text reads best on it, at 10.45:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.00:1 |
| White text | 10.45:1 |
Values
| HEX | #274351 |
| RGB | rgb(39, 67, 81) |
| HSL | hsl(200, 35%, 24%) |
| OKLCH | oklch(36.7% 0.042 231.2) |
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 #274351 | 10.45:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #274351 | 2.00:1 | Fails | Lc 9.7 | Not readable |
| #274351 text on white | 10.45:1 | AAA | Lc 94.2 | Preferred for body text |
| #274351 text on black | 2.00:1 | Fails | Lc -8.4 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#ADC5D1
oklch(80.9% 0.031 229.3)
-
Step 400
400
#81A7BA
oklch(70.7% 0.05 229.9)
-
Step 500
500
#6191A9
oklch(63.1% 0.063 230.7)
-
Step 600
600
#467B95
oklch(55.7% 0.069 231.1)
-
Step 700
700
#37677F
oklch(49% 0.065 231.9)
-
Step 800
800
#2E5467
oklch(42.6% 0.054 231.6)
-
Step 900
900 (this color)
#274351
oklch(36.7% 0.042 231.2)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#274351 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) | #3C4252 | 0.029 |
| Deuteranopia (no green cones) | #363D51 | 0.026 |
| Tritanopia (no blue cones) | #134748 | 0.030 |
| Achromatopsia (no color) | #3F3F3F | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274351
#274351
oklch(36.7% 0.042 231.2)
- #51392B
#51392B
oklch(36.8% 0.041 51.3)
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 #274351, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.009
- Dark Grey Blue #29465B ΔE 0.018
- Dark Blue Grey #1F3B4D ΔE 0.029
- Charcoal Grey #3C4142 ΔE 0.035
- Onyx #343A40 ΔE 0.036
- Dark Teal #014D4E ΔE 0.041
- Midnight Green #073B4C ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.044
Use #274351 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.