#054575
Closest named color: Twilight Blue (#0A437A). oklch(38.1% 0.1 248.4), rgb(5, 69, 117).
Aa
White text reads best on this color (9.93:1).
About this color
#054575 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.100 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.011 away. White text reads best on it, at 9.93:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.11:1 |
| White text | 9.93:1 |
Values
| HEX | #054575 |
| RGB | rgb(5, 69, 117) |
| HSL | hsl(206, 92%, 24%) |
| OKLCH | oklch(38.1% 0.1 248.4) |
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 #054575 | 9.93:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #054575 | 2.11:1 | Fails | Lc 11.4 | Not readable |
| #054575 text on white | 9.93:1 | AAA | Lc 92.5 | Preferred for body text |
| #054575 text on black | 2.11:1 | Fails | Lc -9.9 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C4DCF4
oklch(88.4% 0.042 248.3)
-
Step 300
300
#9BC5F0
oklch(80.9% 0.076 249.4)
-
Step 400
400
#60A6E8
oklch(70.7% 0.12 248.6)
-
Step 500
500
#288EE1
oklch(63.1% 0.154 248.4)
-
Step 600
600
#0077C6
oklch(55.6% 0.15 248.2)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800
#00518B
oklch(42.6% 0.117 248.8)
-
Step 900
900 (this color)
#054575
oklch(38.1% 0.1 248.4)
-
Step 950
950
#072844
oklch(27% 0.064 248.5)
#054575 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) | #2D4877 | 0.033 |
| Deuteranopia (no green cones) | #1B3E74 | 0.022 |
| Tritanopia (no blue cones) | #005157 | 0.073 |
| Achromatopsia (no color) | #434343 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #054575
#054575
oklch(38.1% 0.1 248.4)
- #5F3900
#5F3900
oklch(38.2% 0.083 68.7)
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 #054575, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.011
- Light Navy #155084 ΔE 0.041
- Marine Blue #01386A ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.048
- Cobalt #1E488F ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.051
- Dusk Blue #26538D ΔE 0.062
- Charcoal #264653 ΔE 0.062
Use #054575 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.