#225F5F
Closest named color: Dark Green Blue (#1F6357). oklch(44.7% 0.062 195.2), rgb(34, 95, 95).
Aa
White text reads best on this color (7.31:1).
About this color
#225F5F is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.062 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.022 away. White text reads best on it, at 7.31:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #225F5F |
| RGB | rgb(34, 95, 95) |
| HSL | hsl(180, 47%, 25%) |
| OKLCH | oklch(44.7% 0.062 195.2) |
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 #225F5F | 7.31:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #225F5F | 2.87:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #225F5F text on white | 7.31:1 | AAA | Lc 85.2 | Fine for body text |
| #225F5F text on black | 2.87:1 | Fails | Lc -16.8 | 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
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CBDEDD
oklch(88.6% 0.02 193)
-
Step 300
300
#A7C8C8
oklch(80.9% 0.035 196.5)
-
Step 400
400
#75ACAC
oklch(70.6% 0.058 195.9)
-
Step 500
500
#4E9897
oklch(63.2% 0.074 194.3)
-
Step 600
600
#2C8282
oklch(55.6% 0.08 195.1)
-
Step 700
700
#1D6E6E
oklch(49.2% 0.075 195)
-
Step 800
800 (this color)
#225F5F
oklch(44.7% 0.062 195.2)
-
Step 900
900
#1E4A4A
oklch(37.8% 0.048 195.3)
-
Step 950
950
#132B2B
oklch(27% 0.03 195.5)
#225F5F 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) | #595A5F | 0.065 |
| Deuteranopia (no green cones) | #4F535F | 0.060 |
| Tritanopia (no blue cones) | #00625F | 0.016 |
| Achromatopsia (no color) | #565656 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225F5F
#225F5F
oklch(44.7% 0.062 195.2)
- #734649
#734649
oklch(44.7% 0.062 15.5)
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 #225F5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.022
- Petrol #005F6A ΔE 0.022
- Dark Aqua #05696B ΔE 0.032
- Deep Teal #00555A ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.050
- Dark Blue Green #005249 ΔE 0.056
- YInMn Blue #415A77 ΔE 0.059
- Dark Aquamarine #017371 ΔE 0.061
Use #225F5F 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.