#054987
Closest named color: Cobalt (#1E488F). oklch(40.4% 0.12 252.8), rgb(5, 73, 135).
Aa
White text reads best on this color (9.09:1).
About this color
#054987 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.120 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.020 away. White text reads best on it, at 9.09:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #054987 |
| RGB | rgb(5, 73, 135) |
| HSL | hsl(209, 93%, 27%) |
| OKLCH | oklch(40.4% 0.12 252.8) |
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 #054987 | 9.09:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #054987 | 2.30:1 | Fails | Lc 13.6 | Not readable |
| #054987 text on white | 9.09:1 | AAA | Lc 90.3 | Preferred for body text |
| #054987 text on black | 2.30:1 | Fails | Lc -12.0 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C7DBF3
oklch(88.4% 0.04 253)
-
Step 300
300
#A1C4ED
oklch(80.9% 0.069 252.7)
-
Step 400
400
#6CA4E5
oklch(70.7% 0.113 253)
-
Step 500
500
#418CDD
oklch(63.1% 0.143 252.6)
-
Step 600
600
#1C74CB
oklch(55.6% 0.156 252.9)
-
Step 700
700
#0B61B0
oklch(49.1% 0.146 252.9)
-
Step 800
800 (this color)
#054987
oklch(40.4% 0.12 252.8)
-
Step 900
900
#164371
oklch(37.8% 0.093 252.1)
-
Step 950
950
#0F2742
oklch(26.9% 0.059 253.1)
#054987 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) | #274E89 | 0.028 |
| Deuteranopia (no green cones) | #094386 | 0.017 |
| Tritanopia (no blue cones) | #005861 | 0.089 |
| Achromatopsia (no color) | #484848 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #054987
#054987
oklch(40.4% 0.12 252.8)
- #654000
#654000
oklch(40.5% 0.086 72.5)
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 #054987, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.020
- Light Navy #155084 ΔE 0.025
- Twilight Blue #0A437A ΔE 0.026
- Deep Sea Blue #015482 ΔE 0.036
- Dusk Blue #26538D ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.062
- Marine Blue #01386A ΔE 0.067
- Blueberry #464196 ΔE 0.070
Use #054987 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.