#0D457B
Closest named color: Twilight Blue (#0A437A). oklch(38.7% 0.107 252.4), rgb(13, 69, 123).
Aa
White text reads best on this color (9.74:1).
About this color
#0D457B is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.107 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.007 away. White text reads best on it, at 9.74:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #0D457B |
| RGB | rgb(13, 69, 123) |
| HSL | hsl(209, 81%, 27%) |
| OKLCH | oklch(38.7% 0.107 252.4) |
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 #0D457B | 9.74:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #0D457B | 2.15:1 | Fails | Lc 11.8 | Not readable |
| #0D457B text on white | 9.74:1 | AAA | Lc 92.1 | Preferred for body text |
| #0D457B text on black | 2.15:1 | Fails | Lc -10.3 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9BC4F4
oklch(80.8% 0.081 252.7)
-
Step 400
400
#62A4EE
oklch(70.6% 0.128 252.5)
-
Step 500
500
#2F8BE8
oklch(63% 0.164 252.4)
-
Step 600
600
#0074D1
oklch(55.7% 0.167 252.1)
-
Step 700
700
#0061B1
oklch(49.1% 0.148 252.3)
-
Step 800
800
#004F93
oklch(42.7% 0.13 252.6)
-
Step 900
900 (this color)
#0D457B
oklch(38.7% 0.107 252.4)
-
Step 950
950
#092746
oklch(26.9% 0.068 252.4)
#0D457B 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) | #2A497D | 0.028 |
| Deuteranopia (no green cones) | #15407A | 0.014 |
| Tritanopia (no blue cones) | #00525A | 0.078 |
| Achromatopsia (no color) | #444444 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D457B
#0D457B
oklch(38.7% 0.107 252.4)
- #5F3C00
#5F3C00
oklch(38.8% 0.083 72.6)
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 #0D457B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.007
- Light Navy #155084 ΔE 0.036
- Cobalt #1E488F ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.045
- Marine Blue #01386A ΔE 0.048
- Dusk Blue #26538D ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.059
- Charcoal #264653 ΔE 0.071
Use #0D457B 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.