#275ABB#275ABB

#275ABB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.163 H 261.7°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#275ABB
RGB	rgb(39, 90, 187)
HSL	hsl(219, 65%, 44%)
HSV	hsv(219, 79%, 73%)
CMYK	cmyk(79.1%, 51.9%, 0%, 26.7%)
CIE-LAB	lab(40.13, 18.67, -55.95)
CIE-LCH	lch(40.13, 58.98, 288.46°)
OKLab	oklab(49.02% -0.0236 -0.1611)
OKLCH	oklch(49.02% 0.163 261.7)
XYZ	xyz(13.4593, 11.3299, 48.4816)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275ABB #BB8827

analogous

#27A4BB #275ABB #3E27BB

triadic

#275ABB #BB275A #5ABB27

tetradic

#275ABB #BB27A4 #BB8827 #27BB3E

square

#275ABB #BB27A4 #BB8827 #27BB3E

split-complementary

#275ABB #BB3E27 #A4BB27

monochromatic

#122956 #1C4288 #275ABB #4779D9 #799EE3

Accessibility & contrast

On white

6.43

#275ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#275ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275ABB

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275ABB	#FFFFFF	#000000	##FFFFFF
##275ABB	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1866BE

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #275abb;
/* rgb */ color: rgb(39, 90, 187);
/* oklch */ color: oklch(49.0% 0.163 261.7);

Tailwind

colors: {
  custom: {
    50: '#7888d0',
    500: '#275abb',
    950: '#000000',
  },
}

SCSS

$custom: #275abb;
$custom-light: #7888d0;
$custom-dark: #000000;

JSON

{
  "hex": "#275abb",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 187
  },
  "hsl": {
    "h": 219.324,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49022,
    "c": 0.16286,
    "h": 261.7
  },
  "luminance": 0.11332
}

Semantic roles & 50–950 ramp

primary

#275ABB

secondary

#CBAD73

accent

#AE3FE8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #275ABB

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

Preview Lab → · Contrast checker → · Palette generator →