#0F53BE
Closest named color: Blue Blue (#2242C7). oklch(47.2% 0.18 260.2), rgb(15, 83, 190).
Aa
White text reads best on this color (6.99:1).
About this color
#0F53BE is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.180 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.040 away. White text reads best on it, at 6.99:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #0F53BE |
| RGB | rgb(15, 83, 190) |
| HSL | hsl(217, 85%, 40%) |
| OKLCH | oklch(47.2% 0.18 260.2) |
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 #0F53BE | 6.99:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #0F53BE | 3.00:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #0F53BE text on white | 6.99:1 | AA | Lc 83.5 | Fine for body text |
| #0F53BE text on black | 3.00:1 | AA large text | Lc -18.5 | 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
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DAFA
oklch(88.4% 0.049 260.9)
-
Step 300
300
#A0C2F9
oklch(80.9% 0.087 259.9)
-
Step 400
400
#6CA0F7
oklch(70.7% 0.14 260.2)
-
Step 500
500
#4485F3
oklch(63% 0.178 260.2)
-
Step 600
600
#246CE2
oklch(55.7% 0.193 260.1)
-
Step 700
700 (this color)
#0F53BE
oklch(47.2% 0.18 260.2)
-
Step 800
800
#16499F
oklch(42.6% 0.15 260.4)
-
Step 900
900
#193E7E
oklch(37.6% 0.117 260.6)
-
Step 950
950
#0F254A
oklch(27% 0.074 260.2)
#0F53BE 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) | #0061C2 | 0.036 |
| Deuteranopia (no green cones) | #0052BC | 0.007 |
| Tritanopia (no blue cones) | #006E80 | 0.137 |
| Achromatopsia (no color) | #595959 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F53BE
#0F53BE
oklch(47.2% 0.18 260.2)
- #785400
#785400
oklch(47.2% 0.098 79.9)
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 #0F53BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.040
- Majorelle Blue #3F37C9 ΔE 0.067
- Sapphire #2138AB ΔE 0.069
- Mid Blue #276AB3 ΔE 0.070
- Warm Blue #4B57DB ΔE 0.073
- Azul #1D5DEC ΔE 0.077
- Blue With A Hint Of Purple #533CC6 ΔE 0.079
- Cobalt #1E488F ΔE 0.079
Use #0F53BE 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.