#004E70
Closest named color: Deep Sea Blue (#015482). oklch(40.1% 0.086 236.1), rgb(0, 78, 112).
Aa
White text reads best on this color (9.03:1).
About this color
#004E70 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.086 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.033 away. White text reads best on it, at 9.03:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #004E70 |
| RGB | rgb(0, 78, 112) |
| HSL | hsl(198, 100%, 22%) |
| OKLCH | oklch(40.1% 0.086 236.1) |
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 #004E70 | 9.03:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #004E70 | 2.32:1 | Fails | Lc 13.7 | Not readable |
| #004E70 text on white | 9.03:1 | AAA | Lc 90.2 | Preferred for body text |
| #004E70 text on black | 2.32:1 | 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
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C3DDEE
oklch(88.4% 0.036 236.5)
-
Step 300
300
#99C8E5
oklch(81% 0.064 235.7)
-
Step 400
400
#5AAAD9
oklch(70.6% 0.104 236.6)
-
Step 500
500
#1194CE
oklch(63.1% 0.132 236)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900 (this color)
#004E70
oklch(40.1% 0.086 236.1)
-
Step 950
950
#032A3D
oklch(27% 0.054 235.3)
#004E70 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) | #3D4E72 | 0.049 |
| Deuteranopia (no green cones) | #2F456F | 0.039 |
| Tritanopia (no blue cones) | #00575A | 0.054 |
| Achromatopsia (no color) | #494949 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004E70
#004E70
oklch(40.1% 0.086 236.1)
- #6A3A11
#6A3A11
oklch(40.1% 0.086 56.5)
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 #004E70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.033
- Light Navy #155084 ΔE 0.036
- Twilight Blue #0A437A ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.042
- Deep Teal #00555A ΔE 0.050
- Charcoal #264653 ΔE 0.051
- Dusk Blue #26538D ΔE 0.056
- Dark Teal #014D4E ΔE 0.059
Use #004E70 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.