#024B68
Closest named color: Dark Grey Blue (#29465B). oklch(38.9% 0.079 233.1), rgb(2, 75, 104).
Aa
White text reads best on this color (9.50:1).
About this color
#024B68 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.079 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.032 away. White text reads best on it, at 9.50:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.20:1 |
| White text | 9.50:1 |
Values
| HEX | #024B68 |
| RGB | rgb(2, 75, 104) |
| HSL | hsl(197, 96%, 21%) |
| OKLCH | oklch(38.9% 0.079 233.1) |
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 #024B68 | 9.50:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #024B68 | 2.20:1 | Fails | Lc 12.4 | Not readable |
| #024B68 text on white | 9.50:1 | AAA | Lc 91.5 | Preferred for body text |
| #024B68 text on black | 2.20:1 | 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C5DDEC
oklch(88.4% 0.033 235.2)
-
Step 300
300
#9BC8E1
oklch(80.9% 0.059 232.8)
-
Step 400
400
#5FABD2
oklch(70.7% 0.095 232.6)
-
Step 500
500
#2195C7
oklch(63.2% 0.122 233.1)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900 (this color)
#024B68
oklch(38.9% 0.079 233.1)
-
Step 950
950
#062A3B
oklch(26.9% 0.05 233.9)
#024B68 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) | #3C4A69 | 0.049 |
| Deuteranopia (no green cones) | #304268 | 0.041 |
| Tritanopia (no blue cones) | #005355 | 0.048 |
| Achromatopsia (no color) | #464646 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #024B68
#024B68
oklch(38.9% 0.079 233.1)
- #653717
#653717
oklch(38.8% 0.079 52.7)
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 #024B68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.032
- Charcoal #264653 ΔE 0.039
- Twilight Blue #0A437A ΔE 0.044
- Deep Teal #00555A ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.048
- Dark Teal #014D4E ΔE 0.048
- Light Navy #155084 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.056
Use #024B68 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.