#0C4FBE
Closest named color: Blue Blue (#2242C7). oklch(46.3% 0.186 260.8), rgb(12, 79, 190).
Aa
White text reads best on this color (7.29:1).
About this color
#0C4FBE is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.186 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.032 away. White text reads best on it, at 7.29:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.87:1 |
| White text | 7.29:1 |
Values
| HEX | #0C4FBE |
| RGB | rgb(12, 79, 190) |
| HSL | hsl(217, 88%, 40%) |
| OKLCH | oklch(46.3% 0.186 260.8) |
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 #0C4FBE | 7.29:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #0C4FBE | 2.87:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #0C4FBE text on white | 7.29:1 | AAA | Lc 84.5 | Fine for body text |
| #0C4FBE text on black | 2.87:1 | Fails | Lc -17.5 | 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
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A0C2FB
oklch(81% 0.089 260.6)
-
Step 400
400
#6C9FF9
oklch(70.6% 0.143 261.1)
-
Step 500
500
#4484F6
oklch(63% 0.183 260.9)
-
Step 600
600
#246AE5
oklch(55.5% 0.2 260.9)
-
Step 700
700 (this color)
#0C4FBE
oklch(46.3% 0.186 260.8)
-
Step 800
800
#1649A1
oklch(42.8% 0.153 260.7)
-
Step 900
900
#183E80
oklch(37.7% 0.12 260.6)
-
Step 950
950
#0F254B
oklch(27% 0.076 260.5)
#0C4FBE 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) | #005EC2 | 0.038 |
| Deuteranopia (no green cones) | #004FBC | 0.005 |
| Tritanopia (no blue cones) | #006C7F | 0.141 |
| Achromatopsia (no color) | #565656 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C4FBE
#0C4FBE
oklch(46.3% 0.186 260.8)
- #745200
#745200
oklch(46.3% 0.096 80.9)
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 #0C4FBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.032
- Sapphire #2138AB ΔE 0.061
- Majorelle Blue #3F37C9 ΔE 0.061
- Cobalt #1E488F ΔE 0.077
- Blue With A Hint Of Purple #533CC6 ΔE 0.077
- Warm Blue #4B57DB ΔE 0.077
- Mid Blue #276AB3 ΔE 0.080
- Azul #1D5DEC ΔE 0.081
Use #0C4FBE 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.