#04817B
Closest named color: Teal (#008080). oklch(54.4% 0.094 189), rgb(4, 129, 123).
Aa
White text reads best on this color (4.73:1).
About this color
#04817B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.094 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.009 away. White text reads best on it, at 4.73:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #04817B |
| RGB | rgb(4, 129, 123) |
| HSL | hsl(177, 94%, 26%) |
| OKLCH | oklch(54.4% 0.094 189) |
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 #04817B | 4.73:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #04817B | 4.43:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #04817B text on white | 4.73:1 | AA | Lc 72.4 | Content text, not long reading |
| #04817B text on black | 4.43:1 | AA large text | Lc -29.3 | Dividers and decoration only |
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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A2CAC6
oklch(80.9% 0.043 188.8)
-
Step 400
400
#6DAEA9
oklch(70.6% 0.067 189.5)
-
Step 500
500
#409A94
oklch(63.1% 0.086 189.2)
-
Step 600
600 (this color)
#04817B
oklch(54.4% 0.094 189)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#065B57
oklch(42.6% 0.072 189.5)
-
Step 900
900
#144B48
oklch(37.7% 0.056 189.8)
-
Step 950
950
#0E2C2A
oklch(27% 0.036 189.3)
#04817B 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) | #79797B | 0.099 |
| Deuteranopia (no green cones) | #6A6E7C | 0.094 |
| Tritanopia (no blue cones) | #00857F | 0.012 |
| Achromatopsia (no color) | #737373 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04817B
#04817B
oklch(54.4% 0.094 189)
- #9E5864
#9E5864
oklch(54.5% 0.093 9.6)
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 #04817B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.009
- Bluegreen #017A79 ΔE 0.022
- Deep Aqua #08787F ΔE 0.031
- Dark Cyan #008B8B ΔE 0.034
- Deep Turquoise #017374 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.043
- Ocean #017B92 ΔE 0.046
- Teal Blue #01889F ΔE 0.056
Use #04817B 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.