#004E77
Closest named color: Deep Sea Blue (#015482). oklch(40.5% 0.095 241.1), rgb(0, 78, 119).
Aa
White text reads best on this color (8.91:1).
About this color
#004E77 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.095 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.024 away. White text reads best on it, at 8.91:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #004E77 |
| RGB | rgb(0, 78, 119) |
| HSL | hsl(201, 100%, 23%) |
| OKLCH | oklch(40.5% 0.095 241.1) |
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 #004E77 | 8.91:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #004E77 | 2.35:1 | Fails | Lc 14.1 | Not readable |
| #004E77 text on white | 8.91:1 | AAA | Lc 89.9 | Fine for body text |
| #004E77 text on black | 2.35:1 | Fails | Lc -12.4 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCEC
oklch(88.4% 0.031 242)
-
Step 300
300
#A1C6E2
oklch(80.9% 0.056 241)
-
Step 400
400
#6CA8D3
oklch(70.7% 0.089 240.8)
-
Step 500
500
#4091C7
oklch(63% 0.113 241.1)
-
Step 600
600
#167BB4
oklch(55.7% 0.123 240.8)
-
Step 700
700
#01679B
oklch(49.1% 0.114 241.1)
-
Step 800
800 (this color)
#004E77
oklch(40.5% 0.095 241.1)
-
Step 900
900
#154665
oklch(37.8% 0.074 240.9)
-
Step 950
950
#0E293B
oklch(27% 0.047 240.8)
#004E77 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) | #3A4F79 | 0.045 |
| Deuteranopia (no green cones) | #2A4576 | 0.034 |
| Tritanopia (no blue cones) | #00585D | 0.062 |
| Achromatopsia (no color) | #4A4A4A | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004E77
#004E77
oklch(40.5% 0.095 241.1)
- #6D3B00
#6D3B00
oklch(40.6% 0.094 61)
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 #004E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.024
- Light Navy #155084 ΔE 0.025
- Twilight Blue #0A437A ΔE 0.035
- Dusk Blue #26538D ΔE 0.046
- Cobalt #1E488F ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.056
- Deep Teal #00555A ΔE 0.060
Use #004E77 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.