#004F6B
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.08 230.7), rgb(0, 79, 107).
Aa
White text reads best on this color (9.01:1).
About this color
#004F6B is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.080 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.038 away. White text reads best on it, at 9.01:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.33:1 |
| White text | 9.01:1 |
Values
| HEX | #004F6B |
| RGB | rgb(0, 79, 107) |
| HSL | hsl(196, 100%, 21%) |
| OKLCH | oklch(40.1% 0.08 230.7) |
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 #004F6B | 9.01:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #004F6B | 2.33:1 | Fails | Lc 13.8 | Not readable |
| #004F6B text on white | 9.01:1 | AAA | Lc 90.2 | Preferred for body text |
| #004F6B text on black | 2.33:1 | Fails | Lc -12.1 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C4DEEB
oklch(88.5% 0.033 229.3)
-
Step 300
300
#99C8E1
oklch(80.8% 0.061 231.7)
-
Step 400
400
#5BACD2
oklch(70.8% 0.097 230.5)
-
Step 500
500
#1196C6
oklch(63.2% 0.124 230.6)
-
Step 600
600
#007EA8
oklch(55.6% 0.112 230.6)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900 (this color)
#004F6B
oklch(40.1% 0.08 230.7)
-
Step 950
950
#032B3B
oklch(27.1% 0.051 230.2)
#004F6B 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) | #414E6C | 0.054 |
| Deuteranopia (no green cones) | #34456B | 0.046 |
| Tritanopia (no blue cones) | #005758 | 0.048 |
| Achromatopsia (no color) | #494949 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004F6B
#004F6B
oklch(40.1% 0.08 230.7)
- #6A3A1B
#6A3A1B
oklch(40.2% 0.081 51.3)
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 #004F6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.039
- Deep Teal #00555A ΔE 0.040
- Light Navy #155084 ΔE 0.044
- Charcoal #264653 ΔE 0.045
- Dark Teal #014D4E ΔE 0.050
- Twilight Blue #0A437A ΔE 0.050
- Petrol #005F6A ΔE 0.053
Use #004F6B 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.