#0C5FAC
Closest named color: Mid Blue (#276AB3). oklch(48.4% 0.142 252.9), rgb(12, 95, 172).
Aa
White text reads best on this color (6.46:1).
About this color
#0C5FAC is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.142 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.037 away. White text reads best on it, at 6.46:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.24:1 |
| White text | 6.46:1 |
Values
| HEX | #0C5FAC |
| RGB | rgb(12, 95, 172) |
| HSL | hsl(209, 87%, 36%) |
| OKLCH | oklch(48.4% 0.142 252.9) |
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 #0C5FAC | 6.46:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #0C5FAC | 3.24:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #0C5FAC text on white | 6.46:1 | AA | Lc 81.5 | Fine for body text |
| #0C5FAC text on black | 3.24:1 | AA large text | Lc -20.4 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A1C4ED
oklch(80.9% 0.069 252.7)
-
Step 400
400
#6DA4E4
oklch(70.7% 0.111 253)
-
Step 500
500
#438CDC
oklch(63.1% 0.141 252.8)
-
Step 600
600
#1F74C9
oklch(55.5% 0.153 252.8)
-
Step 700
700 (this color)
#0C5FAC
oklch(48.4% 0.142 252.9)
-
Step 800
800
#12508D
oklch(42.8% 0.117 252.6)
-
Step 900
900
#184371
oklch(37.8% 0.092 252.8)
-
Step 950
950
#0F2742
oklch(26.9% 0.059 253.1)
#0C5FAC 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) | #3665AF | 0.034 |
| Deuteranopia (no green cones) | #1158AA | 0.019 |
| Tritanopia (no blue cones) | #00727D | 0.106 |
| Achromatopsia (no color) | #5E5E5E | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C5FAC
#0C5FAC
oklch(48.4% 0.142 252.9)
- #825400
#825400
oklch(48.5% 0.103 72.8)
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 #0C5FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.037
- Peacock Blue #016795 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.049
- Dusk Blue #26538D ΔE 0.055
- French Blue #436BAD ΔE 0.056
- Dusky Blue #475F94 ΔE 0.058
- Light Navy Blue #2E5A88 ΔE 0.059
- Denim #3B638C ΔE 0.062
Use #0C5FAC 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.