#0D44A3
Closest named color: Sapphire (#2138AB). oklch(41.7% 0.163 261), rgb(13, 68, 163).
Aa
White text reads best on this color (8.85:1).
About this color
#0D44A3 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.163 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.031 away. White text reads best on it, at 8.85:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #0D44A3 |
| RGB | rgb(13, 68, 163) |
| HSL | hsl(218, 85%, 35%) |
| OKLCH | oklch(41.7% 0.163 261) |
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 #0D44A3 | 8.85:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #0D44A3 | 2.37:1 | Fails | Lc 14.5 | Not readable |
| #0D44A3 text on white | 8.85:1 | AAA | Lc 89.5 | Fine for body text |
| #0D44A3 text on black | 2.37:1 | Fails | Lc -12.7 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFD
oklch(93.7% 0.027 260.3)
-
Step 200
200
#C6DAFD
oklch(88.5% 0.053 261.7)
-
Step 300
300
#9EC2FF
oklch(81% 0.095 260.8)
-
Step 400
400
#689FFF
oklch(70.7% 0.153 260.8)
-
Step 500
500
#3F83FD
oklch(63.1% 0.195 261)
-
Step 600
600
#1D68EC
oklch(55.5% 0.212 261)
-
Step 700
700
#0F56CE
oklch(49.2% 0.197 260.9)
-
Step 800
800 (this color)
#0D44A3
oklch(41.7% 0.163 261)
-
Step 900
900
#153D84
oklch(37.7% 0.128 260.9)
-
Step 950
950
#0E244D
oklch(26.9% 0.081 261.5)
#0D44A3 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) | #0051A6 | 0.034 |
| Deuteranopia (no green cones) | #0044A1 | 0.006 |
| Tritanopia (no blue cones) | #005C6C | 0.125 |
| Achromatopsia (no color) | #4A4A4A | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D44A3
#0D44A3
oklch(41.7% 0.163 261)
- #644600
#644600
oklch(41.6% 0.086 80.6)
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 #0D44A3, closest first.
No curated palette has a color within ΔE 0.04 of #0D44A3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.031
- Cobalt #1E488F ΔE 0.037
- Blue Blue #2242C7 ΔE 0.060
- Blueberry #464196 ΔE 0.062
- Dusk Blue #26538D ΔE 0.062
- Light Navy #155084 ΔE 0.064
- Twilight Blue #0A437A ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.073
Use #0D44A3 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.