#024C63
Closest named color: Dark Grey Blue (#29465B). oklch(38.9% 0.074 226.7), rgb(2, 76, 99).
Aa
White text reads best on this color (9.47:1).
About this color
#024C63 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 39%, its chroma 0.074 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 9.47:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #024C63 |
| RGB | rgb(2, 76, 99) |
| HSL | hsl(194, 96%, 20%) |
| OKLCH | oklch(38.9% 0.074 226.7) |
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 #024C63 | 9.47:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #024C63 | 2.21:1 | Fails | Lc 12.5 | Not readable |
| #024C63 text on white | 9.47:1 | AAA | Lc 91.4 | Preferred for body text |
| #024C63 text on black | 2.21:1 | Fails | Lc -10.9 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#DFECF2
oklch(93.5% 0.016 227)
-
Step 200
200
#C5DEE9
oklch(88.6% 0.031 226.1)
-
Step 300
300
#9BC9DD
oklch(81% 0.056 226.4)
-
Step 400
400
#5FACCB
oklch(70.7% 0.089 226.3)
-
Step 500
500
#2196BE
oklch(63% 0.113 227)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900 (this color)
#024C63
oklch(38.9% 0.074 226.7)
-
Step 950
950
#062B38
oklch(27.1% 0.047 226.3)
#024C63 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) | #404A64 | 0.055 |
| Deuteranopia (no green cones) | #344263 | 0.047 |
| Tritanopia (no blue cones) | #005354 | 0.040 |
| Achromatopsia (no color) | #464646 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #024C63
#024C63
oklch(38.9% 0.074 226.7)
- #643720
#643720
oklch(38.8% 0.073 46.8)
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 #024C63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Charcoal #264653 ΔE 0.033
- Deep Teal #00555A ΔE 0.038
- Dark Teal #014D4E ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.048
- Twilight Blue #0A437A ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.054
- Dark Blue Green #005249 ΔE 0.055
Use #024C63 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.