#224B45
Closest named color: Dark Teal (#014D4E). oklch(38.1% 0.047 183), rgb(34, 75, 69).
Aa
White text reads best on this color (9.72:1).
About this color
#224B45 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.047 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.021 away. White text reads best on it, at 9.72:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.16:1 |
| White text | 9.72:1 |
Values
| HEX | #224B45 |
| RGB | rgb(34, 75, 69) |
| HSL | hsl(171, 38%, 21%) |
| OKLCH | oklch(38.1% 0.047 183) |
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 #224B45 | 9.72:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #224B45 | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #224B45 text on white | 9.72:1 | AAA | Lc 92.4 | Preferred for body text |
| #224B45 text on black | 2.16:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDEDA
oklch(88.6% 0.02 181.1)
-
Step 300
300
#A8C9C3
oklch(81% 0.036 183.2)
-
Step 400
400
#78ADA4
oklch(70.8% 0.057 182.9)
-
Step 500
500
#52988E
oklch(63.1% 0.073 183.7)
-
Step 600
600
#338278
oklch(55.5% 0.078 183.8)
-
Step 700
700
#246E65
oklch(49% 0.073 183.8)
-
Step 800
800
#205A52
oklch(42.7% 0.061 182.8)
-
Step 900
900 (this color)
#224B45
oklch(38.1% 0.047 183)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#224B45 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) | #484745 | 0.051 |
| Deuteranopia (no green cones) | #414246 | 0.048 |
| Tritanopia (no blue cones) | #0D4C49 | 0.015 |
| Achromatopsia (no color) | #444444 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224B45
#224B45
oklch(38.1% 0.047 183)
- #583840
#583840
oklch(38.1% 0.047 3.2)
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 #224B45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.026
- Dark Blue Green #005249 ΔE 0.026
- Charcoal #264653 ΔE 0.034
- Deep Teal #00555A ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.048
- Evergreen #05472A ΔE 0.051
Use #224B45 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.