#224345
Closest named color: Charcoal (#264653). oklch(35.9% 0.039 200.7), rgb(34, 67, 69).
Aa
White text reads best on this color (10.73:1).
About this color
#224345 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.039 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.025 away. White text reads best on it, at 10.73:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #224345 |
| RGB | rgb(34, 67, 69) |
| HSL | hsl(183, 34%, 20%) |
| OKLCH | oklch(35.9% 0.039 200.7) |
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 #224345 | 10.73:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #224345 | 1.95:1 | Fails | Lc 9.1 | Not readable |
| #224345 text on white | 10.73:1 | AAA | Lc 94.8 | Preferred for body text |
| #224345 text on black | 1.95:1 | Fails | Lc -7.8 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDDDD
oklch(88.6% 0.016 196.9)
-
Step 300
300
#ACC7C8
oklch(81% 0.029 199.3)
-
Step 400
400
#7EAAAC
oklch(70.7% 0.047 199.6)
-
Step 500
500
#5C9598
oklch(63.2% 0.06 200)
-
Step 600
600
#407F83
oklch(55.6% 0.065 200.9)
-
Step 700
700
#326B6F
oklch(49.1% 0.06 201.5)
-
Step 800
800
#2A575A
oklch(42.6% 0.05 201.2)
-
Step 900
900 (this color)
#224345
oklch(35.9% 0.039 200.7)
-
Step 950
950
#172A2B
oklch(26.9% 0.025 200)
#224345 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) | #3F4045 | 0.040 |
| Deuteranopia (no green cones) | #393C45 | 0.037 |
| Tritanopia (no blue cones) | #104544 | 0.016 |
| Achromatopsia (no color) | #3E3E3E | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224345
#224345
oklch(35.9% 0.039 200.7)
- #4F3534
#4F3534
oklch(35.9% 0.038 21.6)
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 #224345, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.025
- Onyx #343A40 ΔE 0.034
- Dark Teal #014D4E ΔE 0.034
- Charcoal Grey #3C4142 ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.040
- Midnight Green #073B4C ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.044
Use #224345 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.