#0A54D3
Closest named color: Blue Blue (#2242C7). oklch(49.1% 0.207 261.3), rgb(10, 84, 211).
Aa
White text reads best on this color (6.51:1).
About this color
#0A54D3 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.207 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.044 away. White text reads best on it, at 6.51:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.207) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.22:1 |
| White text | 6.51:1 |
Values
| HEX | #0A54D3 |
| RGB | rgb(10, 84, 211) |
| HSL | hsl(218, 91%, 43%) |
| OKLCH | oklch(49.1% 0.207 261.3) |
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 #0A54D3 | 6.51:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #0A54D3 | 3.22:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #0A54D3 text on white | 6.51:1 | AA | Lc 81.4 | Fine for body text |
| #0A54D3 text on black | 3.22:1 | AA large text | Lc -20.5 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#699FFF
oklch(70.8% 0.152 261.1)
-
Step 500
500
#3E82FF
oklch(63% 0.199 261.3)
-
Step 600
600
#1866F2
oklch(55.5% 0.223 261.3)
-
Step 700
700 (this color)
#0A54D3
oklch(49.1% 0.207 261.3)
-
Step 800
800
#0D46AA
oklch(42.7% 0.17 261.2)
-
Step 900
900
#133C87
oklch(37.7% 0.134 261.3)
-
Step 950
950
#0D244F
oklch(27% 0.084 261.5)
#0A54D3 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) | #0067D7 | 0.047 |
| Deuteranopia (no green cones) | #0055D1 | 0.004 |
| Tritanopia (no blue cones) | #00758B | 0.157 |
| Achromatopsia (no color) | #5E5E5E | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A54D3
#0A54D3
oklch(49.1% 0.207 261.3)
- #7E5A00
#7E5A00
oklch(49.3% 0.102 81.5)
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 #0A54D3, closest first.
No curated palette has a color within ΔE 0.04 of #0A54D3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.044
- Azul #1D5DEC ΔE 0.046
- Warm Blue #4B57DB ΔE 0.056
- Majorelle Blue #3F37C9 ΔE 0.067
- Electric Blue #0652FF ΔE 0.067
- Neon Blue #4361EE ΔE 0.071
- Royal Blue #4169E1 ΔE 0.073
- Vibrant Blue #0339F8 ΔE 0.073
Use #0A54D3 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.