#025A4F
Closest named color: Dark Blue Green (#005249). oklch(42% 0.075 180.7), rgb(2, 90, 79).
Aa
White text reads best on this color (8.14:1).
About this color
#025A4F is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 42%, its chroma 0.075 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.026 away. White text reads best on it, at 8.14:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.57:1 |
| White text | 8.14:1 |
Values
| HEX | #025A4F |
| RGB | rgb(2, 90, 79) |
| HSL | hsl(173, 96%, 18%) |
| OKLCH | oklch(42% 0.075 180.7) |
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 #025A4F | 8.14:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #025A4F | 2.57:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #025A4F text on white | 8.14:1 | AAA | Lc 87.7 | Fine for body text |
| #025A4F text on black | 2.57:1 | Fails | Lc -14.4 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A3CAC2
oklch(80.9% 0.043 181.3)
-
Step 400
400
#6DAFA3
oklch(70.6% 0.07 181.4)
-
Step 500
500
#409B8C
oklch(63% 0.089 180.7)
-
Step 600
600
#0F8676
oklch(55.7% 0.098 180.2)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800 (this color)
#025A4F
oklch(42% 0.075 180.7)
-
Step 900
900
#144C43
oklch(37.8% 0.059 180.1)
-
Step 950
950
#0E2C27
oklch(26.9% 0.037 180.8)
#025A4F 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) | #55544F | 0.079 |
| Deuteranopia (no green cones) | #4B4C50 | 0.076 |
| Tritanopia (no blue cones) | #005C57 | 0.013 |
| Achromatopsia (no color) | #4F4F4F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #025A4F
#025A4F
oklch(42% 0.075 180.7)
- #6E3A4B
#6E3A4B
oklch(41.9% 0.076 0)
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 #025A4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.026
- Deep Teal #00555A ΔE 0.029
- Dark Green Blue #1F6357 ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.043
- Petrol #005F6A ΔE 0.044
- Dark Teal #014D4E ΔE 0.044
- Spruce #0A5F38 ΔE 0.044
- Pine #2B5D34 ΔE 0.048
Use #025A4F 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.