#2A258E#2A258E

#2A258E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.166 H 275.7°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#2A258E
RGB	rgb(42, 37, 142)
HSL	hsl(243, 59%, 35%)
HSV	hsv(243, 74%, 56%)
CMYK	cmyk(70.4%, 73.9%, 0%, 44.3%)
CIE-LAB	lab(22.89, 36.82, -56.98)
CIE-LCH	lch(22.89, 67.84, 302.87°)
OKLab	oklab(35.1% 0.0166 -0.1647)
OKLCH	oklch(35.1% 0.166 275.7)
XYZ	xyz(6.4973, 3.7678, 25.9708)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A258E #898E25

analogous

#25558E #2A258E #5E258E

triadic

#2A258E #8E2A25 #258E2A

tetradic

#2A258E #8E2555 #898E25 #258E5E

square

#2A258E #8E2555 #898E25 #258E5E

split-complementary

#2A258E #8E5E25 #558E25

monochromatic

#0D0C2D #1C185D #2A258E #3832BF #5F5AD4

Accessibility & contrast

On white

11.98

#2A258E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2A258E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A258E

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A258E	#FFFFFF	#000000	##FFFFFF
##2A258E	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2a258e;
/* rgb */ color: rgb(42, 37, 142);
/* oklch */ color: oklch(35.1% 0.166 275.7);

Tailwind

colors: {
  custom: {
    50: '#7361b0',
    500: '#2a258e',
    950: '#000000',
  },
}

SCSS

$custom: #2a258e;
$custom-light: #7361b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a258e",
  "rgb": {
    "r": 42,
    "g": 37,
    "b": 142
  },
  "hsl": {
    "h": 242.857,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35096,
    "c": 0.16552,
    "h": 275.7
  },
  "luminance": 0.03768
}

Semantic roles & 50–950 ramp

primary

#2A258E

secondary

#B4B956

accent

#E246DA

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2A258E

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

Preview Lab → · Contrast checker → · Palette generator →