#244C59
Closest named color: Charcoal (#264653). oklch(39.3% 0.05 221.6), rgb(36, 76, 89).
Aa
White text reads best on this color (9.32:1).
About this color
#244C59 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.050 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.019 away. White text reads best on it, at 9.32:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #244C59 |
| RGB | rgb(36, 76, 89) |
| HSL | hsl(195, 42%, 25%) |
| OKLCH | oklch(39.3% 0.05 221.6) |
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 #244C59 | 9.32:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #244C59 | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #244C59 text on white | 9.32:1 | AAA | Lc 91.4 | Preferred for body text |
| #244C59 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE3
oklch(88.6% 0.021 219.7)
-
Step 300
300
#A7C7D2
oklch(81% 0.038 220.6)
-
Step 400
400
#76AABB
oklch(70.8% 0.06 220.3)
-
Step 500
500
#5094AB
oklch(63.1% 0.077 222.2)
-
Step 600
600
#307E96
oklch(55.6% 0.083 221.8)
-
Step 700
700
#226A80
oklch(49% 0.077 222.3)
-
Step 800
800
#1E5768
oklch(42.7% 0.064 221.2)
-
Step 900
900 (this color)
#244C59
oklch(39.3% 0.05 221.6)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#244C59 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) | #444A5A | 0.041 |
| Deuteranopia (no green cones) | #3C4459 | 0.037 |
| Tritanopia (no blue cones) | #005050 | 0.032 |
| Achromatopsia (no color) | #474747 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #244C59
#244C59
oklch(39.3% 0.05 221.6)
- #5D3D31
#5D3D31
oklch(39.4% 0.05 41.4)
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 #244C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.019
- Dark Grey Blue #29465B ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.025
- Dark Teal #014D4E ΔE 0.031
- Deep Teal #00555A ΔE 0.032
- Dark Blue Green #005249 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.056
Use #244C59 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.