#004C7A
Closest named color: Light Navy (#155084). oklch(40.2% 0.1 244.6), rgb(0, 76, 122).
Aa
White text reads best on this color (9.07:1).
About this color
#004C7A is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.100 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.023 away. White text reads best on it, at 9.07:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.31:1 |
| White text | 9.07:1 |
Values
| HEX | #004C7A |
| RGB | rgb(0, 76, 122) |
| HSL | hsl(203, 100%, 24%) |
| OKLCH | oklch(40.2% 0.1 244.6) |
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 #004C7A | 9.07:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #004C7A | 2.31:1 | Fails | Lc 13.7 | Not readable |
| #004C7A text on white | 9.07:1 | AAA | Lc 90.3 | Preferred for body text |
| #004C7A text on black | 2.31:1 | Fails | Lc -12.0 | 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 900.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200
#C3DDF3
oklch(88.5% 0.041 243.7)
-
Step 300
300
#98C6EE
oklch(80.8% 0.075 245.2)
-
Step 400
400
#59A8E6
oklch(70.7% 0.12 244.4)
-
Step 500
500
#0F90DF
oklch(63.1% 0.154 244.7)
-
Step 600
600
#0079BE
oklch(55.6% 0.139 244.6)
-
Step 700
700
#0066A1
oklch(49.2% 0.123 244.5)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900 (this color)
#004C7A
oklch(40.2% 0.1 244.6)
-
Step 950
950
#032943
oklch(27.1% 0.063 244.1)
#004C7A 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) | #354E7C | 0.041 |
| Deuteranopia (no green cones) | #244479 | 0.029 |
| Tritanopia (no blue cones) | #00575D | 0.068 |
| Achromatopsia (no color) | #494949 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004C7A
#004C7A
oklch(40.2% 0.1 244.6)
- #693C00
#693C00
oklch(40.2% 0.09 64.7)
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 #004C7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.023
- Deep Sea Blue #015482 ΔE 0.026
- Twilight Blue #0A437A ΔE 0.027
- Cobalt #1E488F ΔE 0.042
- Dusk Blue #26538D ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.059
- Marine Blue #01386A ΔE 0.064
Use #004C7A 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.