#275EAF#275EAF

#275EAF is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.142 H 258.4°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#275EAF
RGB	rgb(39, 94, 175)
HSL	hsl(216, 64%, 42%)
HSV	hsv(216, 78%, 69%)
CMYK	cmyk(77.7%, 46.3%, 0%, 31.4%)
CIE-LAB	lab(40.46, 11.41, -48.37)
CIE-LCH	lch(40.46, 49.70, 283.27°)
OKLab	oklab(49.02% -0.0286 -0.1388)
OKLCH	oklch(49.02% 0.142 258.4)
XYZ	xyz(12.5744, 11.5304, 42.1120)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275EAF #AF7827

analogous

#27A2AF #275EAF #3427AF

triadic

#275EAF #AF275E #5EAF27

tetradic

#275EAF #AF27A2 #AF7827 #27AF34

square

#275EAF #AF27A2 #AF7827 #27AF34

split-complementary

#275EAF #AF3427 #A2AF27

monochromatic

#11284B #1C437D #275EAF #3F7BD4 #719EDF

Accessibility & contrast

On white

6.35

#275EAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#275EAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275EAF

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275EAF	#FFFFFF	#000000	##FFFFFF
##275EAF	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3366B2

Deuteranopia (green-blind)

#125AAD

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #275eaf;
/* rgb */ color: rgb(39, 94, 175);
/* oklch */ color: oklch(49.0% 0.142 258.4);

Tailwind

colors: {
  custom: {
    50: '#758bc7',
    500: '#275eaf',
    950: '#000000',
  },
}

SCSS

$custom: #275eaf;
$custom-light: #758bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#275eaf",
  "rgb": {
    "r": 39,
    "g": 94,
    "b": 175
  },
  "hsl": {
    "h": 215.735,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49016,
    "c": 0.14169,
    "h": 258.4
  },
  "luminance": 0.11532
}

Semantic roles & 50–950 ramp

primary

#275EAF

secondary

#C6A26B

accent

#A441E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #275EAF

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

Preview Lab → · Contrast checker → · Palette generator →