#024FC4
Closest named color: Blue Blue (#2242C7). oklch(46.7% 0.194 260.5), rgb(2, 79, 196).
Aa
White text reads best on this color (7.19:1).
About this color
#024FC4 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.194 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.029 away. White text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #024FC4 |
| RGB | rgb(2, 79, 196) |
| HSL | hsl(216, 98%, 39%) |
| OKLCH | oklch(46.7% 0.194 260.5) |
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 #024FC4 | 7.19:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #024FC4 | 2.91:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #024FC4 text on white | 7.19:1 | AAA | Lc 84.0 | Fine for body text |
| #024FC4 text on black | 2.91:1 | Fails | Lc -17.9 | 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 700.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFD
oklch(93.7% 0.027 260.3)
-
Step 200
200
#C6DAFC
oklch(88.4% 0.052 261.1)
-
Step 300
300
#9EC2FE
oklch(81% 0.094 260.4)
-
Step 400
400
#689FFD
oklch(70.6% 0.15 260.5)
-
Step 500
500
#3E84FB
oklch(63.2% 0.191 260.3)
-
Step 600
600
#1C69EB
oklch(55.6% 0.21 260.7)
-
Step 700
700 (this color)
#024FC4
oklch(46.7% 0.194 260.5)
-
Step 800
800
#1048A5
oklch(42.8% 0.161 260.5)
-
Step 900
900
#153D83
oklch(37.6% 0.126 260.7)
-
Step 950
950
#0E254C
oklch(27.1% 0.078 260.3)
#024FC4 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) | #0060C8 | 0.043 |
| Deuteranopia (no green cones) | #004FC2 | 0.003 |
| Tritanopia (no blue cones) | #006D82 | 0.146 |
| Achromatopsia (no color) | #575757 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #024FC4
#024FC4
oklch(46.7% 0.194 260.5)
- #765300
#765300
oklch(46.8% 0.097 80.4)
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 #024FC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.029
- Majorelle Blue #3F37C9 ΔE 0.060
- Sapphire #2138AB ΔE 0.066
- Azul #1D5DEC ΔE 0.074
- Warm Blue #4B57DB ΔE 0.074
- Blue With A Hint Of Purple #533CC6 ΔE 0.078
- Blurple #5539CC ΔE 0.083
- Mid Blue #276AB3 ΔE 0.083
Use #024FC4 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.