#256970
Closest named color: Dark Aqua (#05696B). oklch(48.1% 0.068 204.7), rgb(37, 105, 112).
Aa
White text reads best on this color (6.30:1).
About this color
#256970 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.068 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.017 away. White text reads best on it, at 6.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.33:1 |
| White text | 6.30:1 |
Values
| HEX | #256970 |
| RGB | rgb(37, 105, 112) |
| HSL | hsl(186, 50%, 29%) |
| OKLCH | oklch(48.1% 0.068 204.7) |
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 #256970 | 6.30:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #256970 | 3.33:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #256970 text on white | 6.30:1 | AA | Lc 81.1 | Fine for body text |
| #256970 text on black | 3.33:1 | AA large text | Lc -20.7 | 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
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A9C7CB
oklch(80.9% 0.033 206.4)
-
Step 400
400
#7AABB0
oklch(70.8% 0.052 204)
-
Step 500
500
#55959D
oklch(63% 0.067 206)
-
Step 600
600
#378087
oklch(55.7% 0.073 203.9)
-
Step 700
700 (this color)
#256970
oklch(48.1% 0.068 204.7)
-
Step 800
800
#23585D
oklch(42.7% 0.056 203.7)
-
Step 900
900
#22484C
oklch(37.6% 0.044 204.5)
-
Step 950
950
#152A2D
oklch(26.9% 0.027 207.4)
#256970 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) | #616571 | 0.068 |
| Deuteranopia (no green cones) | #555C70 | 0.062 |
| Tritanopia (no blue cones) | #006D6B | 0.022 |
| Achromatopsia (no color) | #606060 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256970
#256970
oklch(48.1% 0.068 204.7)
- #804F4B
#804F4B
oklch(48.2% 0.067 24.9)
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 #256970, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.017
- Deep Turquoise #017374 ΔE 0.031
- Dark Aquamarine #017371 ΔE 0.032
- Petrol #005F6A ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.041
- Deep Aqua #08787F ΔE 0.045
- Slate #516572 ΔE 0.046
- Bluegreen #017A79 ΔE 0.050
Use #256970 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.