#0F57B2#0F57B2

#0F57B2 is a mid, vivid cyan. Relative luminance 0.101; OKLCH L 47.1% C 0.160 H 257.5°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#0F57B2
RGB	rgb(15, 87, 178)
HSL	hsl(213, 84%, 38%)
HSV	hsv(213, 92%, 70%)
CMYK	cmyk(91.6%, 51.1%, 0%, 30.2%)
CIE-LAB	lab(38.08, 15.20, -54.01)
CIE-LCH	lch(38.08, 56.11, 285.72°)
OKLab	oklab(47.09% -0.0345 -0.1558)
OKLCH	oklch(47.09% 0.16 257.5)
XYZ	xyz(11.6381, 10.1308, 43.4529)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F57B2 #B26A0F

analogous

#0FA8B2 #0F57B2 #190FB2

triadic

#0F57B2 #B20F57 #57B20F

tetradic

#0F57B2 #B20FA8 #B26A0F #0FB219

square

#0F57B2 #B20FA8 #B26A0F #0FB219

split-complementary

#0F57B2 #B2190F #A8B20F

monochromatic

#052041 #0A3B7A #0F57B2 #1473EA #4C94F0

Accessibility & contrast

On white

6.94

#0F57B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#0F57B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #0F57B2

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F57B2	#FFFFFF	#000000	##FFFFFF
##0F57B2	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1961B5

Deuteranopia (green-blind)

#0053B0

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #0f57b2;
/* rgb */ color: rgb(15, 87, 178);
/* oklch */ color: oklch(47.1% 0.160 257.5);

Tailwind

colors: {
  custom: {
    50: '#7185ca',
    500: '#0f57b2',
    950: '#000000',
  },
}

SCSS

$custom: #0f57b2;
$custom-light: #7185ca;
$custom-dark: #000000;

JSON

{
  "hex": "#0f57b2",
  "rgb": {
    "r": 15,
    "g": 87,
    "b": 178
  },
  "hsl": {
    "h": 213.497,
    "s": 84.456,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47086,
    "c": 0.15956,
    "h": 257.5
  },
  "luminance": 0.10132
}

Semantic roles & 50–950 ramp

primary

#0F57B2

secondary

#D1964C

accent

#A02DFB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #0F57B2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →