#225558
Closest named color: Deep Teal (#00555A). oklch(41.6% 0.054 200.6), rgb(34, 85, 88).
Aa
White text reads best on this color (8.37:1).
About this color
#225558 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.054 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.017 away. White text reads best on it, at 8.37:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #225558 |
| RGB | rgb(34, 85, 88) |
| HSL | hsl(183, 44%, 24%) |
| OKLCH | oklch(41.6% 0.054 200.6) |
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 #225558 | 8.37:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #225558 | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #225558 text on white | 8.37:1 | AAA | Lc 88.7 | Fine for body text |
| #225558 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDE
oklch(88.5% 0.018 201.1)
-
Step 300
300
#AAC7C9
oklch(80.9% 0.031 201.7)
-
Step 400
400
#7BABAD
oklch(70.8% 0.051 199.3)
-
Step 500
500
#579699
oklch(63.2% 0.065 199.6)
-
Step 600
600
#398084
oklch(55.6% 0.071 200.3)
-
Step 700
700
#2B6C70
oklch(49.2% 0.066 200.8)
-
Step 800
800 (this color)
#225558
oklch(41.6% 0.054 200.6)
-
Step 900
900
#24484B
oklch(37.6% 0.042 202.6)
-
Step 950
950
#162A2C
oklch(26.9% 0.026 203.9)
#225558 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) | #4F5158 | 0.055 |
| Deuteranopia (no green cones) | #464B58 | 0.051 |
| Tritanopia (no blue cones) | #005856 | 0.019 |
| Achromatopsia (no color) | #4E4E4E | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225558
#225558
oklch(41.6% 0.054 200.6)
- #67403F
#67403F
oklch(41.7% 0.055 21.3)
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 #225558, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.017
- Dark Slate Gray #2F4F4F ΔE 0.022
- Dark Blue Green #005249 ΔE 0.034
- Petrol #005F6A ΔE 0.037
- Dark Teal #014D4E ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.047
- Charcoal #264653 ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.051
Use #225558 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.