#0A79EB
Closest named color: Cerulean Blue (#056EEE). oklch(58.7% 0.193 255.6), rgb(10, 121, 235).
Aa
Black text reads best on this color (4.94:1).
About this color
#0A79EB is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.193 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.029 away. Black text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #0A79EB |
| RGB | rgb(10, 121, 235) |
| HSL | hsl(210, 92%, 48%) |
| OKLCH | oklch(58.7% 0.193 255.6) |
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 #0A79EB | 4.24:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #0A79EB | 4.94:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #0A79EB text on white | 4.24:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #0A79EB text on black | 4.94:1 | AA | Lc -33.1 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBF9
oklch(88.5% 0.048 256.2)
-
Step 300
300
#9BC3F9
oklch(80.8% 0.088 256.1)
-
Step 400
400
#62A2F6
oklch(70.6% 0.14 255.8)
-
Step 500
500
#3288F2
oklch(63% 0.179 255.9)
-
Step 600
600 (this color)
#0A79EB
oklch(58.7% 0.193 255.6)
-
Step 700
700
#005EBB
oklch(49.1% 0.165 255.5)
-
Step 800
800
#004C9B
oklch(42.6% 0.144 255.8)
-
Step 900
900
#0B407D
oklch(37.6% 0.116 255.7)
-
Step 950
950
#0A2649
oklch(26.9% 0.073 255.8)
#0A79EB 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) | #3285EF | 0.039 |
| Deuteranopia (no green cones) | #0072E9 | 0.019 |
| Tritanopia (no blue cones) | #0095A7 | 0.144 |
| Achromatopsia (no color) | #7B7B7B | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A79EB
#0A79EB
oklch(58.7% 0.193 255.6)
- #A67000
#A67000
oklch(58.7% 0.124 75.5)
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 #0A79EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.029
- Clear Blue #247AFD ΔE 0.029
- Royal Blue #4169E1 ΔE 0.045
- Bright Blue #0165FC ΔE 0.056
- Neon Blue #4361EE ΔE 0.060
- Water Blue #0E87CC ΔE 0.065
- Dodger Blue #1E90FF ΔE 0.066
- Azul #1D5DEC ΔE 0.067
Use #0A79EB 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.