#0151C2
Closest named color: Blue Blue (#2242C7). oklch(46.9% 0.19 259.9), rgb(1, 81, 194).
Aa
White text reads best on this color (7.10:1).
About this color
#0151C2 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.190 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.034 away. White text reads best on it, at 7.10:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #0151C2 |
| RGB | rgb(1, 81, 194) |
| HSL | hsl(215, 99%, 38%) |
| OKLCH | oklch(46.9% 0.19 259.9) |
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 #0151C2 | 7.10:1 | AAA | Lc -88.7 | Fine for body text |
| Black text on #0151C2 | 2.95:1 | Fails | Lc 20.3 | Dividers and decoration only |
| #0151C2 text on white | 7.10:1 | AAA | Lc 83.7 | Fine for body text |
| #0151C2 text on black | 2.95:1 | Fails | Lc -18.3 | 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 700.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFC
oklch(88.4% 0.052 261.1)
-
Step 300
300
#9EC2FC
oklch(80.9% 0.091 259.8)
-
Step 400
400
#68A0FB
oklch(70.7% 0.146 259.7)
-
Step 500
500
#3E85F8
oklch(63.2% 0.186 259.7)
-
Step 600
600
#1B6BE8
oklch(55.7% 0.204 259.9)
-
Step 700
700 (this color)
#0151C2
oklch(46.9% 0.19 259.9)
-
Step 800
800
#0F49A3
oklch(42.8% 0.157 259.8)
-
Step 900
900
#153E81
oklch(37.7% 0.122 259.9)
-
Step 950
950
#0D254C
oklch(27% 0.078 259.7)
#0151C2 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) | #0061C6 | 0.041 |
| Deuteranopia (no green cones) | #0050C0 | 0.004 |
| Tritanopia (no blue cones) | #006E81 | 0.144 |
| Achromatopsia (no color) | #585858 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0151C2
#0151C2
oklch(46.9% 0.19 259.9)
- #775300
#775300
oklch(46.9% 0.097 79.6)
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 #0151C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.034
- Majorelle Blue #3F37C9 ΔE 0.064
- Sapphire #2138AB ΔE 0.068
- Warm Blue #4B57DB ΔE 0.074
- Azul #1D5DEC ΔE 0.074
- Mid Blue #276AB3 ΔE 0.078
- Blue With A Hint Of Purple #533CC6 ΔE 0.080
- Cobalt #1E488F ΔE 0.084
Use #0151C2 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.