#0157C3
Closest named color: Blue Blue (#2242C7). oklch(48.3% 0.183 258.7), rgb(1, 87, 195).
Aa
White text reads best on this color (6.66:1).
About this color
#0157C3 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.183 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.048 away. White text reads best on it, at 6.66:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #0157C3 |
| RGB | rgb(1, 87, 195) |
| HSL | hsl(213, 99%, 38%) |
| OKLCH | oklch(48.3% 0.183 258.7) |
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 #0157C3 | 6.66:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #0157C3 | 3.15:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #0157C3 text on white | 6.66:1 | AA | Lc 82.0 | Fine for body text |
| #0157C3 text on black | 3.15:1 | AA large text | Lc -19.9 | 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
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DBFA
oklch(88.6% 0.048 258)
-
Step 300
300
#9EC2FA
oklch(80.8% 0.089 259.1)
-
Step 400
400
#68A1F8
oklch(70.8% 0.142 258.6)
-
Step 500
500
#3C86F5
oklch(63.1% 0.182 258.6)
-
Step 600
600
#166CE4
oklch(55.5% 0.198 258.8)
-
Step 700
700 (this color)
#0157C3
oklch(48.3% 0.183 258.7)
-
Step 800
800
#0C4AA0
oklch(42.7% 0.152 258.7)
-
Step 900
900
#143F7F
oklch(37.7% 0.118 258.7)
-
Step 950
950
#0D254A
oklch(26.9% 0.075 258.9)
#0157C3 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) | #0065C7 | 0.037 |
| Deuteranopia (no green cones) | #0055C1 | 0.006 |
| Tritanopia (no blue cones) | #007284 | 0.138 |
| Achromatopsia (no color) | #5C5C5C | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0157C3
#0157C3
oklch(48.3% 0.183 258.7)
- #7D5600
#7D5600
oklch(48.3% 0.101 78.2)
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 #0157C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.048
- Mid Blue #276AB3 ΔE 0.064
- Azul #1D5DEC ΔE 0.067
- Warm Blue #4B57DB ΔE 0.068
- Majorelle Blue #3F37C9 ΔE 0.074
- Sapphire #2138AB ΔE 0.081
- Royal Blue #4169E1 ΔE 0.081
- Blue With A Hint Of Purple #533CC6 ΔE 0.084
Use #0157C3 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.