#224D58
Closest named color: Charcoal (#264653). oklch(39.5% 0.051 216.9), rgb(34, 77, 88).
Aa
White text reads best on this color (9.24:1).
About this color
#224D58 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.051 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.022 away. White text reads best on it, at 9.24:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #224D58 |
| RGB | rgb(34, 77, 88) |
| HSL | hsl(192, 44%, 24%) |
| OKLCH | oklch(39.5% 0.051 216.9) |
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 #224D58 | 9.24:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #224D58 | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #224D58 text on white | 9.24:1 | AAA | Lc 91.2 | Preferred for body text |
| #224D58 text on black | 2.27:1 | Fails | Lc -11.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A6C7D1
oklch(80.9% 0.038 218.1)
-
Step 400
400
#74AAB9
oklch(70.6% 0.061 217)
-
Step 500
500
#4C95A8
oklch(63% 0.078 217)
-
Step 600
600
#2A7F94
oklch(55.5% 0.085 217.7)
-
Step 700
700
#1B6B7E
oklch(49% 0.079 217.7)
-
Step 800
800
#1A5866
oklch(42.8% 0.065 216)
-
Step 900
900 (this color)
#224D58
oklch(39.5% 0.051 216.9)
-
Step 950
950
#122A31
oklch(26.9% 0.033 219.1)
#224D58 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) | #464B59 | 0.045 |
| Deuteranopia (no green cones) | #3E4558 | 0.040 |
| Tritanopia (no blue cones) | #005150 | 0.029 |
| Achromatopsia (no color) | #474747 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224D58
#224D58
oklch(39.5% 0.051 216.9)
- #5E3C33
#5E3C33
oklch(39.3% 0.051 35.5)
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 #224D58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.022
- Dark Grey Blue #29465B ΔE 0.025
- Dark Teal #014D4E ΔE 0.028
- Deep Teal #00555A ΔE 0.028
- Dark Blue Green #005249 ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.050
- Petrol #005F6A ΔE 0.057
Use #224D58 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.