#21625E
Closest named color: Dark Green Blue (#1F6357). oklch(45.4% 0.065 189.4), rgb(33, 98, 94).
Aa
White text reads best on this color (7.06:1).
About this color
#21625E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.065 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.013 away. White text reads best on it, at 7.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.97:1 |
| White text | 7.06:1 |
Values
| HEX | #21625E |
| RGB | rgb(33, 98, 94) |
| HSL | hsl(176, 50%, 26%) |
| OKLCH | oklch(45.4% 0.065 189.4) |
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 #21625E | 7.06:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #21625E | 2.97:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #21625E text on white | 7.06:1 | AAA | Lc 84.2 | Fine for body text |
| #21625E text on black | 2.97:1 | Fails | Lc -17.7 | 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 800.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDC
oklch(88.5% 0.022 189.5)
-
Step 300
300
#A6C9C6
oklch(81% 0.038 190)
-
Step 400
400
#73ADA8
oklch(70.6% 0.061 189)
-
Step 500
500
#4A9993
oklch(63.1% 0.078 188.8)
-
Step 600
600
#26837E
oklch(55.6% 0.085 189.8)
-
Step 700
700
#166F6A
oklch(49.1% 0.079 189.1)
-
Step 800
800 (this color)
#21625E
oklch(45.4% 0.065 189.4)
-
Step 900
900
#1C4A47
oklch(37.6% 0.05 189.4)
-
Step 950
950
#122C2A
oklch(27.2% 0.032 188.9)
#21625E 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) | #5C5D5E | 0.068 |
| Deuteranopia (no green cones) | #52555F | 0.065 |
| Tritanopia (no blue cones) | #006561 | 0.014 |
| Achromatopsia (no color) | #585858 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21625E
#21625E
oklch(45.4% 0.065 189.4)
- #76474E
#76474E
oklch(45.5% 0.065 10.3)
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 #21625E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.013
- Dark Aqua #05696B ΔE 0.025
- Petrol #005F6A ΔE 0.028
- Deep Teal #00555A ΔE 0.048
- Dark Aquamarine #017371 ΔE 0.053
- Deep Turquoise #017374 ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.058
- Pine #2B5D34 ΔE 0.061
Use #21625E 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.