#225D4D
Closest named color: Dark Green Blue (#1F6357). oklch(43.5% 0.067 172.3), rgb(34, 93, 77).
Aa
White text reads best on this color (7.66:1).
About this color
#225D4D is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.067 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.021 away. White text reads best on it, at 7.66:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.74:1 |
| White text | 7.66:1 |
Values
| HEX | #225D4D |
| RGB | rgb(34, 93, 77) |
| HSL | hsl(164, 46%, 25%) |
| OKLCH | oklch(43.5% 0.067 172.3) |
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 #225D4D | 7.66:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #225D4D | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #225D4D text on white | 7.66:1 | AAA | Lc 86.4 | Fine for body text |
| #225D4D text on black | 2.74:1 | Fails | Lc -15.7 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#A8C9BE
oklch(80.8% 0.039 173.1)
-
Step 400
400
#78AE9C
oklch(70.8% 0.063 171.6)
-
Step 500
500
#529984
oklch(63% 0.079 172.4)
-
Step 600
600
#32846E
oklch(55.7% 0.087 172.3)
-
Step 700
700
#236F5C
oklch(49% 0.08 173)
-
Step 800
800 (this color)
#225D4D
oklch(43.5% 0.067 172.3)
-
Step 900
900
#204B3E
oklch(37.8% 0.053 171.1)
-
Step 950
950
#142C25
oklch(27.1% 0.033 172.8)
#225D4D 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) | #5A574C | 0.069 |
| Deuteranopia (no green cones) | #51514E | 0.065 |
| Tritanopia (no blue cones) | #005E58 | 0.021 |
| Achromatopsia (no color) | #535353 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225D4D
#225D4D
oklch(43.5% 0.067 172.3)
- #6D4155
#6D4155
oklch(43.4% 0.067 351.5)
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 #225D4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.021
- Pine #2B5D34 ΔE 0.037
- Spruce #0A5F38 ΔE 0.040
- Dark Blue Green #005249 ΔE 0.043
- Deep Teal #00555A ΔE 0.043
- Petrol #005F6A ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.048
- Dark Aqua #05696B ΔE 0.051
Use #225D4D 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.