#04866B
Closest named color: Viridian (#1E9167). oklch(55.3% 0.106 171.9), rgb(4, 134, 107).
Aa
Black text reads best on this color (4.62:1).
About this color
#04866B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.106 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.038 away. Black text reads best on it, at 4.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Viridian (#1E9167) |
| Black text | 4.62:1 |
| White text | 4.53:1 |
Values
| HEX | #04866B |
| RGB | rgb(4, 134, 107) |
| HSL | hsl(168, 94%, 27%) |
| OKLCH | oklch(55.3% 0.106 171.9) |
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 #04866B | 4.53:1 | AA | Lc -76.4 | Fine for body text |
| Black text on #04866B | 4.62:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #04866B text on white | 4.53:1 | AA | Lc 71.0 | Content text, not long reading |
| #04866B text on black | 4.62:1 | AA | Lc -30.7 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD7
oklch(88.4% 0.027 172.8)
-
Step 300
300
#A2CBBD
oklch(80.9% 0.048 172.2)
-
Step 400
400
#6CB09B
oklch(70.6% 0.076 172.4)
-
Step 500
500
#3E9D82
oklch(63.2% 0.099 171.3)
-
Step 600
600 (this color)
#04866B
oklch(55.3% 0.106 171.9)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#035D4A
oklch(42.7% 0.081 172.3)
-
Step 900
900
#134C3E
oklch(37.6% 0.063 172.9)
-
Step 950
950
#0E2D24
oklch(27.1% 0.041 171.3)
#04866B 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) | #817C6A | 0.109 |
| Deuteranopia (no green cones) | #73726D | 0.105 |
| Tritanopia (no blue cones) | #00877E | 0.029 |
| Achromatopsia (no color) | #767676 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04866B
#04866B
oklch(55.3% 0.106 171.9)
- #A15679
#A15679
oklch(55.2% 0.107 351.8)
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 #04866B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.038
- Sea Green #2E8B57 ΔE 0.039
- Teal #008080 ΔE 0.043
- Dark Cyan #008B8B ΔE 0.048
- Bluegreen #017A79 ΔE 0.050
- Jungle Green #048243 ΔE 0.055
- Dark Sage #598556 ΔE 0.056
- Deep Aqua #08787F ΔE 0.062
Use #04866B 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.