#275AB9#275AB9

#275AB9 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.160 H 261.4°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#275AB9
RGB	rgb(39, 90, 185)
HSL	hsl(219, 65%, 44%)
HSV	hsv(219, 79%, 73%)
CMYK	cmyk(78.9%, 51.4%, 0%, 27.5%)
CIE-LAB	lab(39.99, 17.90, -55.00)
CIE-LCH	lch(39.99, 57.84, 288.03°)
OKLab	oklab(48.87% -0.0239 -0.1584)
OKLCH	oklch(48.87% 0.16 261.4)
XYZ	xyz(13.2467, 11.2449, 47.3619)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275AB9 #B98627

analogous

#27A3B9 #275AB9 #3D27B9

triadic

#275AB9 #B9275A #5AB927

tetradic

#275AB9 #B927A3 #B98627 #27B93D

square

#275AB9 #B927A3 #B98627 #27B93D

split-complementary

#275AB9 #B93D27 #A3B927

monochromatic

#122954 #1C4186 #275AB9 #4579D8 #789DE3

Accessibility & contrast

On white

6.46

#275AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#275AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275AB9

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275AB9	#FFFFFF	#000000	##FFFFFF
##275AB9	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C65BC

Deuteranopia (green-blind)

#0058B7

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #275ab9;
/* rgb */ color: rgb(39, 90, 185);
/* oklch */ color: oklch(48.9% 0.160 261.4);

Tailwind

colors: {
  custom: {
    50: '#7888cf',
    500: '#275ab9',
    950: '#000000',
  },
}

SCSS

$custom: #275ab9;
$custom-light: #7888cf;
$custom-dark: #000000;

JSON

{
  "hex": "#275ab9",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 185
  },
  "hsl": {
    "h": 219.041,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4887,
    "c": 0.16016,
    "h": 261.4
  },
  "luminance": 0.11246
}

Semantic roles & 50–950 ramp

primary

#275AB9

secondary

#CAAB72

accent

#AD40E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #275AB9

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

Preview Lab → · Contrast checker → · Palette generator →