#251EBD#251EBD

#251EBD is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 39.3% C 0.229 H 270.6°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#251EBD
RGB	rgb(37, 30, 189)
HSL	hsl(243, 73%, 43%)
HSV	hsv(243, 84%, 74%)
CMYK	cmyk(80.4%, 84.1%, 0%, 25.9%)
CIE-LAB	lab(26.72, 55.08, -79.14)
CIE-LCH	lch(26.72, 96.42, 304.84°)
OKLab	oklab(39.26% 0.0025 -0.229)
OKLCH	oklch(39.26% 0.229 270.6)
XYZ	xyz(10.4094, 4.9948, 48.5497)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251EBD #B6BD1E

analogous

#1E66BD #251EBD #751EBD

triadic

#251EBD #BD251E #1EBD25

tetradic

#251EBD #BD1E66 #B6BD1E #1EBD75

square

#251EBD #BD1E66 #B6BD1E #1EBD75

split-complementary

#251EBD #BD751E #66BD1E

monochromatic

#100D53 #1B1688 #251EBD #4039E0 #736DE8

Accessibility & contrast

On white

10.50

#251EBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#251EBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251EBD

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251EBD	#FFFFFF	#000000	##FFFFFF
##251EBD	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047C1

Deuteranopia (green-blind)

#0037BA

Tritanopia (blue-blind)

#005371

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #251ebd;
/* rgb */ color: rgb(37, 30, 189);
/* oklch */ color: oklch(39.3% 0.229 270.6);

Tailwind

colors: {
  custom: {
    50: '#7d60d2',
    500: '#251ebd',
    950: '#000000',
  },
}

SCSS

$custom: #251ebd;
$custom-light: #7d60d2;
$custom-dark: #000000;

JSON

{
  "hex": "#251ebd",
  "rgb": {
    "r": 37,
    "g": 30,
    "b": 189
  },
  "hsl": {
    "h": 242.642,
    "s": 72.603,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39262,
    "c": 0.22901,
    "h": 270.6
  },
  "luminance": 0.04996
}

Semantic roles & 50–950 ramp

primary

#251EBD

secondary

#CACE69

accent

#EF38E7

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #251EBD

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

Preview Lab → · Contrast checker → · Palette generator →