#255093
Closest named color: Dusk Blue (#26538D). oklch(43.8% 0.12 259.1), rgb(37, 80, 147).
Aa
White text reads best on this color (7.93:1).
About this color
#255093 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.120 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.014 away. White text reads best on it, at 7.93:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.64:1 |
| White text | 7.93:1 |
Values
| HEX | #255093 |
| RGB | rgb(37, 80, 147) |
| HSL | hsl(217, 60%, 36%) |
| OKLCH | oklch(43.8% 0.12 259.1) |
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 #255093 | 7.93:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #255093 | 2.64:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #255093 text on white | 7.93:1 | AAA | Lc 87.2 | Fine for body text |
| #255093 text on black | 2.64:1 | Fails | Lc -14.9 | 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 800.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#CADAF4
oklch(88.4% 0.04 260.1)
-
Step 300
300
#A6C2EF
oklch(80.9% 0.071 259.8)
-
Step 400
400
#75A1E6
oklch(70.6% 0.113 259.1)
-
Step 500
500
#5188DF
oklch(63% 0.144 259.2)
-
Step 600
600
#3570CD
oklch(55.5% 0.157 259.3)
-
Step 700
700
#275EB1
oklch(49.2% 0.144 258.7)
-
Step 800
800 (this color)
#255093
oklch(43.8% 0.12 259.1)
-
Step 900
900
#214173
oklch(37.8% 0.094 259)
-
Step 950
950
#142643
oklch(27% 0.059 259.5)
#255093 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) | #2E5696 | 0.021 |
| Deuteranopia (no green cones) | #184C92 | 0.017 |
| Tritanopia (no blue cones) | #00606A | 0.095 |
| Achromatopsia (no color) | #515151 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255093
#255093
oklch(43.8% 0.12 259.1)
- #6C4B00
#6C4B00
oklch(43.8% 0.091 79.6)
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 #255093, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.014
- Cobalt #1E488F ΔE 0.025
- Light Navy #155084 ΔE 0.029
- Deep Sea Blue #015482 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.042
- Twilight #4E518B ΔE 0.051
- Blueberry #464196 ΔE 0.053
Use #255093 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.