#25615B
Closest named color: Dark Green Blue (#1F6357). oklch(45.2% 0.062 186.2), rgb(37, 97, 91).
Aa
White text reads best on this color (7.14:1).
About this color
#25615B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.062 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.012 away. White text reads best on it, at 7.14:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.93:1 |
| White text | 7.14:1 |
Values
| HEX | #25615B |
| RGB | rgb(37, 97, 91) |
| HSL | hsl(174, 45%, 26%) |
| OKLCH | oklch(45.2% 0.062 186.2) |
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 #25615B | 7.14:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #25615B | 2.93:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #25615B text on white | 7.14:1 | AAA | Lc 84.6 | Fine for body text |
| #25615B text on black | 2.93:1 | Fails | Lc -17.4 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A7C9C4
oklch(81% 0.037 185.6)
-
Step 400
400
#76ADA6
oklch(70.7% 0.059 186)
-
Step 500
500
#4F9890
oklch(63% 0.074 186.2)
-
Step 600
600
#2E837B
oklch(55.7% 0.081 186.4)
-
Step 700
700
#1F6E67
oklch(49% 0.075 186.5)
-
Step 800
800 (this color)
#25615B
oklch(45.2% 0.062 186.2)
-
Step 900
900
#1F4A45
oklch(37.7% 0.049 185.3)
-
Step 950
950
#132B29
oklch(26.9% 0.03 188.5)
#25615B 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) | #5C5C5B | 0.066 |
| Deuteranopia (no green cones) | #53555C | 0.063 |
| Tritanopia (no blue cones) | #00635F | 0.016 |
| Achromatopsia (no color) | #585858 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25615B
#25615B
oklch(45.2% 0.062 186.2)
- #744750
#744750
oklch(45.3% 0.063 6.9)
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 #25615B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.012
- Dark Aqua #05696B ΔE 0.030
- Petrol #005F6A ΔE 0.031
- Deep Teal #00555A ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.056
- Pine #2B5D34 ΔE 0.057
- Deep Turquoise #017374 ΔE 0.058
Use #25615B 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.