#024FA2
Closest named color: Cobalt (#1E488F). oklch(43.9% 0.15 256.3), rgb(2, 79, 162).
Aa
White text reads best on this color (7.94:1).
About this color
#024FA2 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.150 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.035 away. White text reads best on it, at 7.94:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #024FA2 |
| RGB | rgb(2, 79, 162) |
| HSL | hsl(211, 98%, 32%) |
| OKLCH | oklch(43.9% 0.15 256.3) |
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 #024FA2 | 7.94:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #024FA2 | 2.64:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #024FA2 text on white | 7.94:1 | AAA | Lc 86.8 | Fine for body text |
| #024FA2 text on black | 2.64:1 | Fails | Lc -15.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBFA
oklch(88.5% 0.049 256.9)
-
Step 300
300
#9CC3F9
oklch(80.9% 0.088 256.6)
-
Step 400
400
#63A2F6
oklch(70.7% 0.14 256.1)
-
Step 500
500
#3488F3
oklch(63.2% 0.179 256.3)
-
Step 600
600
#006FE0
oklch(55.6% 0.192 256.3)
-
Step 700
700
#005DBE
oklch(49.2% 0.17 256.3)
-
Step 800
800 (this color)
#024FA2
oklch(43.9% 0.15 256.3)
-
Step 900
900
#0D407E
oklch(37.7% 0.117 256.3)
-
Step 950
950
#0A264A
oklch(27% 0.075 256.3)
#024FA2 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) | #1758A5 | 0.028 |
| Deuteranopia (no green cones) | #004BA0 | 0.011 |
| Tritanopia (no blue cones) | #006371 | 0.111 |
| Achromatopsia (no color) | #515151 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #024FA2
#024FA2
oklch(43.9% 0.15 256.3)
- #6F4A00
#6F4A00
oklch(43.9% 0.092 76.1)
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 #024FA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.035
- Dusk Blue #26538D ΔE 0.042
- Light Navy #155084 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.057
- Sapphire #2138AB ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.064
- Light Navy Blue #2E5A88 ΔE 0.064
- Blueberry #464196 ΔE 0.065
Use #024FA2 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.