#256071
Closest named color: Petrol (#005F6A). oklch(45.8% 0.066 220), rgb(37, 96, 113).
Aa
White text reads best on this color (7.02:1).
About this color
#256071 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.066 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.022 away. White text reads best on it, at 7.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.99:1 |
| White text | 7.02:1 |
Values
| HEX | #256071 |
| RGB | rgb(37, 96, 113) |
| HSL | hsl(193, 51%, 29%) |
| OKLCH | oklch(45.8% 0.066 220) |
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 #256071 | 7.02:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #256071 | 2.99:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #256071 text on white | 7.02:1 | AAA | Lc 84.1 | Fine for body text |
| #256071 text on black | 2.99:1 | Fails | Lc -17.9 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A6C7D2
oklch(80.9% 0.039 220)
-
Step 400
400
#74AABB
oklch(70.6% 0.062 219.6)
-
Step 500
500
#4D95AB
oklch(63.2% 0.079 220.2)
-
Step 600
600
#2B7F96
oklch(55.7% 0.086 219.7)
-
Step 700
700
#1C6B80
oklch(49.1% 0.08 220)
-
Step 800
800 (this color)
#256071
oklch(45.8% 0.066 220)
-
Step 900
900
#1D4855
oklch(37.7% 0.052 220.6)
-
Step 950
950
#122A31
oklch(26.9% 0.033 219.1)
#256071 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) | #565D72 | 0.056 |
| Deuteranopia (no green cones) | #4B5571 | 0.051 |
| Tritanopia (no blue cones) | #006665 | 0.036 |
| Achromatopsia (no color) | #595959 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256071
#256071
oklch(45.8% 0.066 220)
- #774B3B
#774B3B
oklch(45.9% 0.065 40.7)
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 #256071, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.022
- Dark Aqua #05696B ΔE 0.035
- YInMn Blue #415A77 ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.048
- Denim #3B638C ΔE 0.051
- Slate #516572 ΔE 0.052
- Deep Teal #00555A ΔE 0.054
Use #256071 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.