#275779
Closest named color: Light Navy Blue (#2E5A88). oklch(44% 0.077 242.2), rgb(39, 87, 121).
Aa
White text reads best on this color (7.70:1).
About this color
#275779 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.077 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.027 away. White text reads best on it, at 7.70:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #275779 |
| RGB | rgb(39, 87, 121) |
| HSL | hsl(205, 51%, 31%) |
| OKLCH | oklch(44% 0.077 242.2) |
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 #275779 | 7.70:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #275779 | 2.72:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #275779 text on white | 7.70:1 | AAA | Lc 86.6 | Fine for body text |
| #275779 text on black | 2.72:1 | Fails | Lc -15.5 | Dividers and decoration only |
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
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDCE9
oklch(88.6% 0.025 242.4)
-
Step 300
300
#A8C5DC
oklch(80.9% 0.045 242.1)
-
Step 400
400
#79A6CA
oklch(70.6% 0.072 243.1)
-
Step 500
500
#5490BC
oklch(63.1% 0.091 242)
-
Step 600
600
#377AA8
oklch(55.7% 0.099 241.6)
-
Step 700
700
#296691
oklch(49.1% 0.093 242.8)
-
Step 800
800 (this color)
#275779
oklch(44% 0.077 242.2)
-
Step 900
900
#22455F
oklch(37.7% 0.06 242.8)
-
Step 950
950
#152937
oklch(27.1% 0.037 240.5)
#275779 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) | #48577B | 0.038 |
| Deuteranopia (no green cones) | #3C4F78 | 0.031 |
| Tritanopia (no blue cones) | #005F63 | 0.055 |
| Achromatopsia (no color) | #535353 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #275779
#275779
oklch(44% 0.077 242.2)
- #704821
#704821
oklch(43.9% 0.077 62.7)
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 #275779, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.027
- Deep Sea Blue #015482 ΔE 0.028
- YInMn Blue #415A77 ΔE 0.031
- Light Navy #155084 ΔE 0.035
- Dusk Blue #26538D ΔE 0.038
- Petrol #005F6A ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.048
- Dusk #4E5481 ΔE 0.050
Use #275779 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.