#275285
Closest named color: Dusk Blue (#26538D). oklch(43.4% 0.097 254.2), rgb(39, 82, 133).
Aa
White text reads best on this color (7.97:1).
About this color
#275285 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.097 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.013 away. White text reads best on it, at 7.97:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #275285 |
| RGB | rgb(39, 82, 133) |
| HSL | hsl(213, 55%, 34%) |
| OKLCH | oklch(43.4% 0.097 254.2) |
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 #275285 | 7.97:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #275285 | 2.63:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #275285 text on white | 7.97:1 | AAA | Lc 87.4 | Fine for body text |
| #275285 text on black | 2.63:1 | Fails | Lc -14.7 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CBDBEE
oklch(88.5% 0.031 252.7)
-
Step 300
300
#A8C3E5
oklch(80.9% 0.057 254.3)
-
Step 400
400
#79A4D9
oklch(70.8% 0.091 254.1)
-
Step 500
500
#558CCE
oklch(63.1% 0.116 253.9)
-
Step 600
600
#3975BB
oklch(55.6% 0.126 253.9)
-
Step 700
700
#2B62A1
oklch(49.1% 0.117 253.8)
-
Step 800
800 (this color)
#275285
oklch(43.4% 0.097 254.2)
-
Step 900
900
#234369
oklch(37.8% 0.076 253.9)
-
Step 950
950
#15273D
oklch(26.9% 0.048 254.2)
#275285 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) | #3B5587 | 0.025 |
| Deuteranopia (no green cones) | #2D4D84 | 0.015 |
| Tritanopia (no blue cones) | #005E65 | 0.076 |
| Achromatopsia (no color) | #515151 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #275285
#275285
oklch(43.4% 0.097 254.2)
- #6E4800
#6E4800
oklch(43.4% 0.092 74.6)
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 #275285, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.013
- Light Navy #155084 ΔE 0.016
- Deep Sea Blue #015482 ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.026
- Cobalt #1E488F ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.048
- Dusk #4E5481 ΔE 0.049
Use #275285 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.