#2A508B#2A508B

#2A508B is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.5% C 0.107 H 258.9°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#2A508B
RGB	rgb(42, 80, 139)
HSL	hsl(216, 54%, 35%)
HSV	hsv(216, 70%, 55%)
CMYK	cmyk(69.8%, 42.4%, 0%, 45.5%)
CIE-LAB	lab(34.18, 7.16, -36.83)
CIE-LCH	lch(34.18, 37.52, 281.01°)
OKLab	oklab(43.46% -0.0205 -0.105)
OKLCH	oklch(43.46% 0.107 258.9)
XYZ	xyz(8.4820, 8.0928, 25.5361)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A508B #8B652A

analogous

#2A808B #2A508B #352A8B

triadic

#2A508B #8B2A50 #508B2A

tetradic

#2A508B #8B2A80 #8B652A #2A8B35

square

#2A508B #8B2A80 #8B652A #2A8B35

split-complementary

#2A508B #8B352A #808B2A

monochromatic

#0E1A2D #1C355C #2A508B #386BBA #608CCF

Accessibility & contrast

On white

8.02

#2A508B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2A508B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A508B

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A508B	#FFFFFF	#000000	##FFFFFF
##2A508B	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35558D

Deuteranopia (green-blind)

#254C8A

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2a508b;
/* rgb */ color: rgb(42, 80, 139);
/* oklch */ color: oklch(43.5% 0.107 258.9);

Tailwind

colors: {
  custom: {
    50: '#6f80ad',
    500: '#2a508b',
    950: '#000000',
  },
}

SCSS

$custom: #2a508b;
$custom-light: #6f80ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a508b",
  "rgb": {
    "r": 42,
    "g": 80,
    "b": 139
  },
  "hsl": {
    "h": 216.495,
    "s": 53.591,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43463,
    "c": 0.10704,
    "h": 258.9
  },
  "luminance": 0.08094
}

Semantic roles & 50–950 ramp

primary

#2A508B

secondary

#B5925C

accent

#A44BDD

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2A508B

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

Preview Lab → · Contrast checker → · Palette generator →