#054973
Closest named color: Twilight Blue (#0A437A). oklch(39% 0.093 244), rgb(5, 73, 115).
Aa
White text reads best on this color (9.51:1).
About this color
#054973 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.093 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.024 away. White text reads best on it, at 9.51:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #054973 |
| RGB | rgb(5, 73, 115) |
| HSL | hsl(203, 92%, 24%) |
| OKLCH | oklch(39% 0.093 244) |
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 #054973 | 9.51:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #054973 | 2.20:1 | Fails | Lc 12.4 | Not readable |
| #054973 text on white | 9.51:1 | AAA | Lc 91.5 | Preferred for body text |
| #054973 text on black | 2.20:1 | Fails | Lc -10.8 | 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 900.
-
Step 50
50
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C4DDF2
oklch(88.6% 0.039 243.5)
-
Step 300
300
#9AC6EB
oklch(80.8% 0.07 244.2)
-
Step 400
400
#5FA8E1
oklch(70.7% 0.111 243.9)
-
Step 500
500
#2391D9
oklch(63.2% 0.143 243.7)
-
Step 600
600
#0079BD
oklch(55.5% 0.138 244.2)
-
Step 700
700
#0066A0
oklch(49.2% 0.121 244)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900 (this color)
#054973
oklch(39% 0.093 244)
-
Step 950
950
#062941
oklch(27% 0.059 243.6)
#054973 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) | #354B75 | 0.041 |
| Deuteranopia (no green cones) | #254172 | 0.029 |
| Tritanopia (no blue cones) | #005358 | 0.064 |
| Achromatopsia (no color) | #454545 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #054973
#054973
oklch(39% 0.093 244)
- #653900
#653900
oklch(39% 0.088 64.1)
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 #054973, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.024
- Light Navy #155084 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.044
- Cobalt #1E488F ΔE 0.051
- Marine Blue #01386A ΔE 0.054
- Charcoal #264653 ΔE 0.056
- Dusk Blue #26538D ΔE 0.057
Use #054973 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.