#254E6C
Closest named color: Dark Grey Blue (#29465B). oklch(40.9% 0.068 242.7), rgb(37, 78, 108).
Aa
White text reads best on this color (8.80:1).
About this color
#254E6C is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.068 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.033 away. White text reads best on it, at 8.80:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.38:1 |
| White text | 8.80:1 |
Values
| HEX | #254E6C |
| RGB | rgb(37, 78, 108) |
| HSL | hsl(205, 49%, 28%) |
| OKLCH | oklch(40.9% 0.068 242.7) |
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 #254E6C | 8.80:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #254E6C | 2.38:1 | Fails | Lc 14.0 | Not readable |
| #254E6C text on white | 8.80:1 | AAA | Lc 90.0 | Fine for body text |
| #254E6C text on black | 2.38:1 | Fails | Lc -12.3 | 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 800.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#ABC4D9
oklch(80.8% 0.04 243.6)
-
Step 400
400
#7EA6C6
oklch(70.8% 0.064 242.9)
-
Step 500
500
#5C8FB7
oklch(63% 0.082 243.2)
-
Step 600
600
#4079A3
oklch(55.6% 0.089 242.6)
-
Step 700
700
#32668C
oklch(49.2% 0.083 242.7)
-
Step 800
800 (this color)
#254E6C
oklch(40.9% 0.068 242.7)
-
Step 900
900
#27455C
oklch(37.8% 0.053 243)
-
Step 950
950
#172836
oklch(26.9% 0.035 244.4)
#254E6C 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) | #414E6D | 0.034 |
| Deuteranopia (no green cones) | #37476B | 0.027 |
| Tritanopia (no blue cones) | #005558 | 0.051 |
| Achromatopsia (no color) | #4A4A4A | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #254E6C
#254E6C
oklch(40.9% 0.068 242.7)
- #64411F
#64411F
oklch(40.8% 0.069 62.9)
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 #254E6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.039
- Light Navy #155084 ΔE 0.040
- Charcoal #264653 ΔE 0.044
- Deep Teal #00555A ΔE 0.048
- Twilight Blue #0A437A ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.051
- YInMn Blue #415A77 ΔE 0.054
Use #254E6C 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.