#224C5C
Closest named color: Dark Grey Blue (#29465B). oklch(39.4% 0.054 225.6), rgb(34, 76, 92).
Aa
White text reads best on this color (9.30:1).
About this color
#224C5C is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.054 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.019 away. White text reads best on it, at 9.30:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #224C5C |
| RGB | rgb(34, 76, 92) |
| HSL | hsl(197, 46%, 25%) |
| OKLCH | oklch(39.4% 0.054 225.6) |
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 #224C5C | 9.30:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #224C5C | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #224C5C text on white | 9.30:1 | AAA | Lc 91.3 | Preferred for body text |
| #224C5C text on black | 2.25:1 | Fails | Lc -11.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A6C7D5
oklch(81% 0.041 225.4)
-
Step 400
400
#74A9BF
oklch(70.6% 0.064 225.9)
-
Step 500
500
#4D94AF
oklch(63.1% 0.082 225.2)
-
Step 600
600
#2B7E9B
oklch(55.6% 0.09 225.4)
-
Step 700
700
#1C6A85
oklch(49.1% 0.084 226.1)
-
Step 800
800
#1B576C
oklch(42.8% 0.069 225.4)
-
Step 900
900 (this color)
#224C5C
oklch(39.4% 0.054 225.6)
-
Step 950
950
#122A33
oklch(27% 0.034 224.8)
#224C5C 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) | #434A5D | 0.041 |
| Deuteranopia (no green cones) | #3B445C | 0.037 |
| Tritanopia (no blue cones) | #005151 | 0.035 |
| Achromatopsia (no color) | #474747 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224C5C
#224C5C
oklch(39.4% 0.054 225.6)
- #5E3D2D
#5E3D2D
oklch(39.4% 0.053 46.6)
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 #224C5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.019
- Charcoal #264653 ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.030
- Deep Teal #00555A ΔE 0.034
- Dark Teal #014D4E ΔE 0.034
- Dark Blue Green #005249 ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.057
Use #224C5C 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.