#25605E
Closest named color: Dark Green Blue (#1F6357). oklch(45% 0.061 192.1), rgb(37, 96, 94).
Aa
White text reads best on this color (7.20:1).
About this color
#25605E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.061 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.018 away. White text reads best on it, at 7.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.91:1 |
| White text | 7.20:1 |
Values
| HEX | #25605E |
| RGB | rgb(37, 96, 94) |
| HSL | hsl(178, 44%, 26%) |
| OKLCH | oklch(45% 0.061 192.1) |
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 #25605E | 7.20:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #25605E | 2.91:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #25605E text on white | 7.20:1 | AAA | Lc 84.8 | Fine for body text |
| #25605E text on black | 2.91:1 | Fails | Lc -17.2 | 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
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A7C8C6
oklch(80.8% 0.035 192)
-
Step 400
400
#76ACAA
oklch(70.6% 0.057 193)
-
Step 500
500
#509895
oklch(63.2% 0.073 191.9)
-
Step 600
600
#2F827F
oklch(55.6% 0.079 191.8)
-
Step 700
700
#206E6B
oklch(49.1% 0.074 191.3)
-
Step 800
800 (this color)
#25605E
oklch(45% 0.061 192.1)
-
Step 900
900
#1F4A48
oklch(37.8% 0.048 191.2)
-
Step 950
950
#132B2A
oklch(26.9% 0.03 192)
#25605E 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) | #5A5B5E | 0.064 |
| Deuteranopia (no green cones) | #51545F | 0.061 |
| Tritanopia (no blue cones) | #00635F | 0.017 |
| Achromatopsia (no color) | #575757 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25605E
#25605E
oklch(45% 0.061 192.1)
- #73474C
#73474C
oklch(45% 0.061 12.4)
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 #25605E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.018
- Petrol #005F6A ΔE 0.026
- Dark Aqua #05696B ΔE 0.030
- Deep Teal #00555A ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.058
- Dark Blue Green #005249 ΔE 0.058
- Deep Turquoise #017374 ΔE 0.059
Use #25605E 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.