#255169
Closest named color: Dark Grey Blue (#29465B). oklch(41.5% 0.063 235), rgb(37, 81, 105).
Aa
White text reads best on this color (8.53:1).
About this color
#255169 is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.063 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.037 away. White text reads best on it, at 8.53:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.45:1 |
| White text | 8.53:1 |
Values
| HEX | #255169 |
| RGB | rgb(37, 81, 105) |
| HSL | hsl(201, 48%, 28%) |
| OKLCH | oklch(41.5% 0.063 235) |
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 #255169 | 8.53:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #255169 | 2.45:1 | Fails | Lc 14.8 | Not readable |
| #255169 text on white | 8.53:1 | AAA | Lc 89.2 | Fine for body text |
| #255169 text on black | 2.45:1 | Fails | Lc -13.0 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#ABC5D5
oklch(80.9% 0.036 234.9)
-
Step 400
400
#7DA7C0
oklch(70.7% 0.058 234.8)
-
Step 500
500
#5A91B1
oklch(63.1% 0.076 235.3)
-
Step 600
600
#3E7B9C
oklch(55.6% 0.081 234.5)
-
Step 700
700
#306786
oklch(49% 0.076 236)
-
Step 800
800 (this color)
#255169
oklch(41.5% 0.063 235)
-
Step 900
900
#264658
oklch(37.8% 0.049 234.7)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#255169 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) | #46506A | 0.040 |
| Deuteranopia (no green cones) | #3C4969 | 0.034 |
| Tritanopia (no blue cones) | #005759 | 0.043 |
| Achromatopsia (no color) | #4C4C4C | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255169
#255169
oklch(41.5% 0.063 235)
- #664229
#664229
oklch(41.5% 0.063 54.8)
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 #255169, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.037
- Deep Teal #00555A ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.043
- Charcoal #264653 ΔE 0.045
- Petrol #005F6A ΔE 0.045
- Light Navy #155084 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.049
Use #255169 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.