#275FB1#275FB1

#275FB1 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.4% C 0.143 H 258.3°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#275FB1
RGB	rgb(39, 95, 177)
HSL	hsl(216, 64%, 42%)
HSV	hsv(216, 78%, 69%)
CMYK	cmyk(78%, 46.3%, 0%, 30.6%)
CIE-LAB	lab(40.88, 11.53, -48.88)
CIE-LCH	lch(40.88, 50.22, 283.28°)
OKLab	oklab(49.38% -0.029 -0.1403)
OKLCH	oklch(49.38% 0.143 258.3)
XYZ	xyz(12.8618, 11.7886, 43.1840)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275FB1 #B17927

analogous

#27A4B1 #275FB1 #3427B1

triadic

#275FB1 #B1275F #5FB127

tetradic

#275FB1 #B127A4 #B17927 #27B134

square

#275FB1 #B127A4 #B17927 #27B134

split-complementary

#275FB1 #B13427 #A4B127

monochromatic

#11294D #1C447F #275FB1 #407DD5 #729FE0

Accessibility & contrast

On white

6.25

#275FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#275FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275FB1

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275FB1	#FFFFFF	#000000	##FFFFFF
##275FB1	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3367B4

Deuteranopia (green-blind)

#115BAF

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #275fb1;
/* rgb */ color: rgb(39, 95, 177);
/* oklch */ color: oklch(49.4% 0.143 258.3);

Tailwind

colors: {
  custom: {
    50: '#768bc9',
    500: '#275fb1',
    950: '#000000',
  },
}

SCSS

$custom: #275fb1;
$custom-light: #768bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#275fb1",
  "rgb": {
    "r": 39,
    "g": 95,
    "b": 177
  },
  "hsl": {
    "h": 215.652,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4938,
    "c": 0.14322,
    "h": 258.3
  },
  "luminance": 0.1179
}

Semantic roles & 50–950 ramp

primary

#275FB1

secondary

#C7A26D

accent

#A441E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #275FB1

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

Preview Lab → · Contrast checker → · Palette generator →