#275ABC#275ABC

#275ABC is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.164 H 261.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#275ABC
RGB	rgb(39, 90, 188)
HSL	hsl(219, 66%, 45%)
HSV	hsv(219, 79%, 74%)
CMYK	cmyk(79.3%, 52.1%, 0%, 26.3%)
CIE-LAB	lab(40.20, 19.06, -56.41)
CIE-LCH	lch(40.20, 59.55, 288.67°)
OKLab	oklab(49.1% -0.0235 -0.1625)
OKLCH	oklch(49.1% 0.164 261.8)
XYZ	xyz(13.5667, 11.3729, 49.0474)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#275ABC #BC8927

analogous

#27A5BC #275ABC #3E27BC

triadic

#275ABC #BC275A #5ABC27

tetradic

#275ABC #BC27A5 #BC8927 #27BC3E

square

#275ABC #BC27A5 #BC8927 #27BC3E

split-complementary

#275ABC #BC3E27 #A5BC27

monochromatic

#122957 #1C4289 #275ABC #4779D9 #7A9EE3

Accessibility & contrast

On white

6.41

#275ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#275ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #275ABC

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##275ABC	#FFFFFF	#000000	##FFFFFF
##275ABC	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1566BF

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #275abc;
/* rgb */ color: rgb(39, 90, 188);
/* oklch */ color: oklch(49.1% 0.164 261.8);

Tailwind

colors: {
  custom: {
    50: '#7988d1',
    500: '#275abc',
    950: '#000000',
  },
}

SCSS

$custom: #275abc;
$custom-light: #7988d1;
$custom-dark: #000000;

JSON

{
  "hex": "#275abc",
  "rgb": {
    "r": 39,
    "g": 90,
    "b": 188
  },
  "hsl": {
    "h": 219.463,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49098,
    "c": 0.16421,
    "h": 261.8
  },
  "luminance": 0.11375
}

Semantic roles & 50–950 ramp

primary

#275ABC

secondary

#CBAD73

accent

#AF3FE9

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #275ABC

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

Preview Lab → · Contrast checker → · Palette generator →