#255986
Closest named color: Light Navy Blue (#2E5A88). oklch(45.1% 0.092 247.7), rgb(37, 89, 134).
Aa
White text reads best on this color (7.36:1).
About this color
#255986 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.092 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.010 away. White text reads best on it, at 7.36:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.85:1 |
| White text | 7.36:1 |
Values
| HEX | #255986 |
| RGB | rgb(37, 89, 134) |
| HSL | hsl(208, 57%, 34%) |
| OKLCH | oklch(45.1% 0.092 247.7) |
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 #255986 | 7.36:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #255986 | 2.85:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #255986 text on white | 7.36:1 | AAA | Lc 85.3 | Fine for body text |
| #255986 text on black | 2.85:1 | Fails | Lc -16.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADBEC
oklch(88.4% 0.03 248.2)
-
Step 300
300
#A6C4E2
oklch(80.8% 0.054 248.5)
-
Step 400
400
#74A6D4
oklch(70.8% 0.086 247.1)
-
Step 500
500
#4E8FC9
oklch(63.2% 0.11 247.4)
-
Step 600
600
#2F78B5
oklch(55.6% 0.119 247.4)
-
Step 700
700
#21649C
oklch(49% 0.112 248)
-
Step 800
800 (this color)
#255986
oklch(45.1% 0.092 247.7)
-
Step 900
900
#1E4466
oklch(37.6% 0.073 248)
-
Step 950
950
#13283C
oklch(27% 0.046 248.8)
#255986 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) | #455B88 | 0.036 |
| Deuteranopia (no green cones) | #375285 | 0.025 |
| Tritanopia (no blue cones) | #006469 | 0.069 |
| Achromatopsia (no color) | #565656 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255986
#255986
oklch(45.1% 0.092 247.7)
- #774A0E
#774A0E
oklch(45.1% 0.093 67.5)
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 #255986, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.010
- Dusk Blue #26538D ΔE 0.023
- Deep Sea Blue #015482 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.031
- Light Navy #155084 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.037
- Denim #3B638C ΔE 0.040
- Peacock Blue #016795 ΔE 0.043
Use #255986 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.