#2A5DAB#2A5DAB

#2A5DAB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.6% C 0.136 H 258.8°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#2A5DAB
RGB	rgb(42, 93, 171)
HSL	hsl(216, 61%, 42%)
HSV	hsv(216, 75%, 67%)
CMYK	cmyk(75.4%, 45.6%, 0%, 32.9%)
CIE-LAB	lab(40.01, 10.89, -46.72)
CIE-LCH	lch(40.01, 47.98, 283.13°)
OKLab	oklab(48.62% -0.0264 -0.1339)
OKLCH	oklch(48.62% 0.136 258.8)
XYZ	xyz(12.2172, 11.2598, 40.0497)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5DAB #AB782A

analogous

#2A9EAB #2A5DAB #382AAB

triadic

#2A5DAB #AB2A5D #5DAB2A

tetradic

#2A5DAB #AB2A9E #AB782A #2AAB38

square

#2A5DAB #AB2A9E #AB782A #2AAB38

split-complementary

#2A5DAB #AB382A #9EAB2A

monochromatic

#122849 #1E427A #2A5DAB #427AD1 #739DDD

Accessibility & contrast

On white

6.46

#2A5DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2A5DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5DAB

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5DAB	#FFFFFF	#000000	##FFFFFF
##2A5DAB	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)

#3565AE

Deuteranopia (green-blind)

#1959A9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a5dab;
/* rgb */ color: rgb(42, 93, 171);
/* oklch */ color: oklch(48.6% 0.136 258.8);

Tailwind

colors: {
  custom: {
    50: '#768ac4',
    500: '#2a5dab',
    950: '#000000',
  },
}

SCSS

$custom: #2a5dab;
$custom-light: #768ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5dab",
  "rgb": {
    "r": 42,
    "g": 93,
    "b": 171
  },
  "hsl": {
    "h": 216.279,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48619,
    "c": 0.13648,
    "h": 258.8
  },
  "luminance": 0.11261
}

Semantic roles & 50–950 ramp

primary

#2A5DAB

secondary

#C4A26D

accent

#A544E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5DAB

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

Preview Lab → · Contrast checker → · Palette generator →