#054A99
Closest named color: Cobalt (#1E488F). oklch(42.1% 0.143 256.7), rgb(5, 74, 153).
Aa
White text reads best on this color (8.58:1).
About this color
#054A99 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.143 and its hue 257°. 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 8.58:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #054A99 |
| RGB | rgb(5, 74, 153) |
| HSL | hsl(212, 94%, 31%) |
| OKLCH | oklch(42.1% 0.143 256.7) |
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 #054A99 | 8.58:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #054A99 | 2.44:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #054A99 text on white | 8.58:1 | AAA | Lc 88.8 | Fine for body text |
| #054A99 text on black | 2.44:1 | Fails | Lc -13.4 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF8
oklch(88.5% 0.046 256.5)
-
Step 300
300
#9EC3F7
oklch(80.9% 0.084 256.9)
-
Step 400
400
#67A2F3
oklch(70.7% 0.135 256.6)
-
Step 500
500
#3B88EE
oklch(63% 0.171 256.7)
-
Step 600
600
#116FDD
oklch(55.6% 0.187 256.8)
-
Step 700
700
#005CBF
oklch(49% 0.172 256.8)
-
Step 800
800 (this color)
#054A99
oklch(42.1% 0.143 256.7)
-
Step 900
900
#12407B
oklch(37.6% 0.112 256.7)
-
Step 950
950
#0D2648
oklch(27% 0.07 257)
#054A99 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) | #14539C | 0.028 |
| Deuteranopia (no green cones) | #004697 | 0.012 |
| Tritanopia (no blue cones) | #005D6A | 0.107 |
| Achromatopsia (no color) | #4C4C4C | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #054A99
#054A99
oklch(42.1% 0.143 256.7)
- #684600
#684600
oklch(42.2% 0.088 77.2)
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 #054A99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.020
- Dusk Blue #26538D ΔE 0.041
- Light Navy #155084 ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.051
- Sapphire #2138AB ΔE 0.053
- Twilight Blue #0A437A ΔE 0.054
- Blueberry #464196 ΔE 0.061
- Light Navy Blue #2E5A88 ΔE 0.066
Use #054A99 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.