#004763
Closest named color: Dark Grey Blue (#29465B). oklch(37.4% 0.077 233.1), rgb(0, 71, 99).
Aa
White text reads best on this color (10.08:1).
About this color
#004763 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.077 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 10.08:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.08:1 |
Values
| HEX | #004763 |
| RGB | rgb(0, 71, 99) |
| HSL | hsl(197, 100%, 19%) |
| OKLCH | oklch(37.4% 0.077 233.1) |
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 #004763 | 10.08:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #004763 | 2.08:1 | Fails | Lc 11.0 | Not readable |
| #004763 text on white | 10.08:1 | AAA | Lc 92.9 | Preferred for body text |
| #004763 text on black | 2.08:1 | Fails | Lc -9.5 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DDEB
oklch(88.4% 0.032 233.3)
-
Step 300
300
#9CC8E0
oklch(81% 0.057 232.2)
-
Step 400
400
#61ABD1
oklch(70.8% 0.092 232.5)
-
Step 500
500
#2795C5
oklch(63.2% 0.118 232.6)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900 (this color)
#004763
oklch(37.4% 0.077 233.1)
-
Step 950
950
#072A3A
oklch(26.9% 0.049 232.7)
#004763 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) | #394664 | 0.049 |
| Deuteranopia (no green cones) | #2D3E63 | 0.041 |
| Tritanopia (no blue cones) | #004E51 | 0.044 |
| Achromatopsia (no color) | #424242 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004763
#004763
oklch(37.4% 0.077 233.1)
- #603414
#603414
oklch(37.5% 0.077 53.6)
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 #004763, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Charcoal #264653 ΔE 0.034
- Twilight Blue #0A437A ΔE 0.045
- Dark Teal #014D4E ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.048
- Midnight Green #073B4C ΔE 0.050
- Marine Blue #01386A ΔE 0.052
- Deep Teal #00555A ΔE 0.053
Use #004763 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.