#004D74
Closest named color: Deep Sea Blue (#015482). oklch(40.1% 0.092 240.1), rgb(0, 77, 116).
Aa
White text reads best on this color (9.07:1).
About this color
#004D74 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.092 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.029 away. White text reads best on it, at 9.07:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.31:1 |
| White text | 9.07:1 |
Values
| HEX | #004D74 |
| RGB | rgb(0, 77, 116) |
| HSL | hsl(200, 100%, 23%) |
| OKLCH | oklch(40.1% 0.092 240.1) |
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 #004D74 | 9.07:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #004D74 | 2.31:1 | Fails | Lc 13.6 | Not readable |
| #004D74 text on white | 9.07:1 | AAA | Lc 90.3 | Preferred for body text |
| #004D74 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C3DDF0
oklch(88.4% 0.038 239.6)
-
Step 300
300
#98C7E9
oklch(80.8% 0.069 240.1)
-
Step 400
400
#5AA9DE
oklch(70.6% 0.11 240.2)
-
Step 500
500
#1192D5
oklch(63% 0.141 240.2)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#00679A
oklch(49.1% 0.113 240.5)
-
Step 800
800
#00557F
oklch(42.8% 0.098 239.8)
-
Step 900
900 (this color)
#004D74
oklch(40.1% 0.092 240.1)
-
Step 950
950
#032940
oklch(26.9% 0.059 241)
#004D74 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) | #3A4E76 | 0.046 |
| Deuteranopia (no green cones) | #2B4473 | 0.036 |
| Tritanopia (no blue cones) | #00575B | 0.061 |
| Achromatopsia (no color) | #484848 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004D74
#004D74
oklch(40.1% 0.092 240.1)
- #6B3A03
#6B3A03
oklch(40.2% 0.092 60.3)
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 #004D74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.029
- Light Navy #155084 ΔE 0.030
- Twilight Blue #0A437A ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.046
- Dusk Blue #26538D ΔE 0.051
- Cobalt #1E488F ΔE 0.053
- Charcoal #264653 ΔE 0.057
- Deep Teal #00555A ΔE 0.058
Use #004D74 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.