#25564A
Closest named color: Dark Blue Green (#005249). oklch(41.5% 0.057 175.1), rgb(37, 86, 74).
Aa
White text reads best on this color (8.37:1).
About this color
#25564A is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.057 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.027 away. White text reads best on it, at 8.37:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #25564A |
| RGB | rgb(37, 86, 74) |
| HSL | hsl(165, 40%, 24%) |
| OKLCH | oklch(41.5% 0.057 175.1) |
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 #25564A | 8.37:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #25564A | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #25564A text on white | 8.37:1 | AAA | Lc 88.7 | Fine for body text |
| #25564A text on black | 2.50:1 | Fails | Lc -13.5 | Not readable |
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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#ABC8BF
oklch(80.9% 0.034 174.7)
-
Step 400
400
#7DAC9F
oklch(70.7% 0.054 175.7)
-
Step 500
500
#5B9787
oklch(63.1% 0.068 175.1)
-
Step 600
600
#3E8271
oklch(55.7% 0.075 174.9)
-
Step 700
700
#2F6E5E
oklch(49.2% 0.07 174.2)
-
Step 800
800 (this color)
#25564A
oklch(41.5% 0.057 175.1)
-
Step 900
900
#264940
oklch(37.6% 0.044 175.3)
-
Step 950
950
#172B26
oklch(27% 0.028 176.4)
#25564A 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) | #535149 | 0.059 |
| Deuteranopia (no green cones) | #4B4B4B | 0.057 |
| Tritanopia (no blue cones) | #0C5752 | 0.018 |
| Achromatopsia (no color) | #4E4E4E | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25564A
#25564A
oklch(41.5% 0.057 175.1)
- #653F4D
#653F4D
oklch(41.7% 0.057 356.1)
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 #25564A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.028
- Deep Teal #00555A ΔE 0.032
- Dark Green Blue #1F6357 ΔE 0.041
- Dark Teal #014D4E ΔE 0.042
- Pine #2B5D34 ΔE 0.047
- Spruce #0A5F38 ΔE 0.050
- Petrol #005F6A ΔE 0.052
Use #25564A 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.