#256476
Closest named color: Dark Aqua (#05696B). oklch(47.1% 0.069 220.1), rgb(37, 100, 118).
Aa
White text reads best on this color (6.63:1).
About this color
#256476 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.069 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.031 away. White text reads best on it, at 6.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #256476 |
| RGB | rgb(37, 100, 118) |
| HSL | hsl(193, 52%, 30%) |
| OKLCH | oklch(47.1% 0.069 220.1) |
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 #256476 | 6.63:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #256476 | 3.16:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #256476 text on white | 6.63:1 | AA | Lc 82.6 | Fine for body text |
| #256476 text on black | 3.16:1 | AA large text | Lc -19.3 | 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 700.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#AAC6D0
oklch(80.9% 0.033 221.4)
-
Step 400
400
#7BA9B8
oklch(70.7% 0.054 220)
-
Step 500
500
#5793A6
oklch(63% 0.069 220.3)
-
Step 600
600
#3A7E92
oklch(55.7% 0.075 219.9)
-
Step 700
700 (this color)
#256476
oklch(47.1% 0.069 220.1)
-
Step 800
800
#265665
oklch(42.6% 0.057 221.1)
-
Step 900
900
#244752
oklch(37.6% 0.045 220.5)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#256476 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) | #596177 | 0.058 |
| Deuteranopia (no green cones) | #4D5976 | 0.051 |
| Tritanopia (no blue cones) | #006A6A | 0.035 |
| Achromatopsia (no color) | #5C5C5C | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256476
#256476
oklch(47.1% 0.069 220.1)
- #7C4D3D
#7C4D3D
oklch(47% 0.069 39.5)
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 #256476, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.031
- Petrol #005F6A ΔE 0.031
- YInMn Blue #415A77 ΔE 0.039
- Denim #3B638C ΔE 0.044
- Slate #516572 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.049
- Peacock Blue #016795 ΔE 0.050
Use #256476 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.