#004E93
Closest named color: Cobalt (#1E488F). oklch(42.5% 0.131 253.1), rgb(0, 78, 147).
Aa
White text reads best on this color (8.36:1).
About this color
#004E93 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.131 and its hue 253°. 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 8.36:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.51:1 |
| White text | 8.36:1 |
Values
| HEX | #004E93 |
| RGB | rgb(0, 78, 147) |
| HSL | hsl(208, 100%, 29%) |
| OKLCH | oklch(42.5% 0.131 253.1) |
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 #004E93 | 8.36:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #004E93 | 2.51:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #004E93 text on white | 8.36:1 | AAA | Lc 88.2 | Fine for body text |
| #004E93 text on black | 2.51:1 | Fails | Lc -14.0 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF5
oklch(88.4% 0.042 253.8)
-
Step 300
300
#9EC4F2
oklch(80.9% 0.077 253.5)
-
Step 400
400
#67A4EB
oklch(70.7% 0.123 253.2)
-
Step 500
500
#388BE5
oklch(63.1% 0.157 253.2)
-
Step 600
600
#0473D3
oklch(55.6% 0.171 253.1)
-
Step 700
700
#0060B3
oklch(49% 0.152 253.2)
-
Step 800
800 (this color)
#004E93
oklch(42.5% 0.131 253.1)
-
Step 900
900
#104276
oklch(37.7% 0.103 253.2)
-
Step 950
950
#0C2745
oklch(27% 0.065 253.3)
#004E93 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) | #275496 | 0.030 |
| Deuteranopia (no green cones) | #004892 | 0.017 |
| Tritanopia (no blue cones) | #005F69 | 0.097 |
| Achromatopsia (no color) | #4E4E4E | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004E93
#004E93
oklch(42.5% 0.131 253.1)
- #6C4500
#6C4500
oklch(42.5% 0.091 72.8)
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 #004E93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.020
- Light Navy #155084 ΔE 0.027
- Dusk Blue #26538D ΔE 0.029
- Deep Sea Blue #015482 ΔE 0.036
- Twilight Blue #0A437A ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.061
- Blueberry #464196 ΔE 0.066
Use #004E93 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.