#224756
Closest named color: Charcoal (#264653). oklch(37.7% 0.049 226.8), rgb(34, 71, 86).
Aa
White text reads best on this color (9.98:1).
About this color
#224756 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.049 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.006 away. White text reads best on it, at 9.98:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.10:1 |
| White text | 9.98:1 |
Values
| HEX | #224756 |
| RGB | rgb(34, 71, 86) |
| HSL | hsl(197, 43%, 24%) |
| OKLCH | oklch(37.7% 0.049 226.8) |
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 #224756 | 9.98:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #224756 | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #224756 text on white | 9.98:1 | AAA | Lc 93.0 | Preferred for body text |
| #224756 text on black | 2.10:1 | Fails | Lc -9.4 | 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
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#A8C6D3
oklch(80.9% 0.037 225.9)
-
Step 400
400
#79A9BD
oklch(70.8% 0.059 225.7)
-
Step 500
500
#5493AD
oklch(63.1% 0.076 226.7)
-
Step 600
600
#367D99
oklch(55.7% 0.083 227.1)
-
Step 700
700
#276982
oklch(49% 0.077 226.7)
-
Step 800
800
#23566A
oklch(42.8% 0.063 226.9)
-
Step 900
900 (this color)
#224756
oklch(37.7% 0.049 226.8)
-
Step 950
950
#152A32
oklch(27.1% 0.031 224.6)
#224756 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) | #3F4657 | 0.037 |
| Deuteranopia (no green cones) | #384056 | 0.034 |
| Tritanopia (no blue cones) | #004B4C | 0.033 |
| Achromatopsia (no color) | #424242 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224756
#224756
oklch(37.7% 0.049 226.8)
- #58392B
#58392B
oklch(37.7% 0.05 45.1)
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 #224756, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.006
- Dark Grey Blue #29465B ΔE 0.013
- Dark Teal #014D4E ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.043
- Deep Teal #00555A ΔE 0.045
- Midnight Green #073B4C ΔE 0.049
Use #224756 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.