#055F87
Closest named color: Light Navy Blue (#2E5A88). oklch(46% 0.098 236.5), rgb(5, 95, 135).
Aa
White text reads best on this color (7.01:1).
About this color
#055F87 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.098 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.026 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #055F87 |
| RGB | rgb(5, 95, 135) |
| HSL | hsl(198, 93%, 27%) |
| OKLCH | oklch(46% 0.098 236.5) |
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 #055F87 | 7.01:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #055F87 | 2.99:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #055F87 text on white | 7.01:1 | AAA | Lc 83.8 | Fine for body text |
| #055F87 text on black | 2.99:1 | Fails | Lc -18.2 | 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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A4C6DC
oklch(80.9% 0.048 236.6)
-
Step 400
400
#72A8CA
oklch(70.7% 0.076 236.9)
-
Step 500
500
#4992BC
oklch(63.1% 0.096 236.3)
-
Step 600
600
#267CA9
oklch(55.7% 0.105 236.5)
-
Step 700
700 (this color)
#055F87
oklch(46% 0.098 236.5)
-
Step 800
800
#175575
oklch(42.7% 0.081 236.2)
-
Step 900
900
#1B465F
oklch(37.6% 0.064 237.4)
-
Step 950
950
#112937
oklch(26.9% 0.04 236.4)
#055F87 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) | #4B5F89 | 0.055 |
| Deuteranopia (no green cones) | #3B5486 | 0.045 |
| Tritanopia (no blue cones) | #00696D | 0.060 |
| Achromatopsia (no color) | #595959 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #055F87
#055F87
oklch(46% 0.098 236.5)
- #804818
#804818
oklch(46% 0.097 56.8)
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 #055F87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.026
- Peacock Blue #016795 ΔE 0.030
- Deep Sea Blue #015482 ΔE 0.034
- Denim #3B638C ΔE 0.040
- Dusk Blue #26538D ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.043
- Light Navy #155084 ΔE 0.044
- YInMn Blue #415A77 ΔE 0.046
Use #055F87 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.