#251EC9#251EC9

#251EC9 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.7% C 0.242 H 269.9°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#251EC9
RGB	rgb(37, 30, 201)
HSL	hsl(242, 74%, 45%)
HSV	hsv(242, 85%, 79%)
CMYK	cmyk(81.6%, 85.1%, 0%, 21.2%)
CIE-LAB	lab(28.21, 58.62, -83.72)
CIE-LCH	lch(28.21, 102.20, 305.00°)
OKLab	oklab(40.71% -0.0003 -0.2422)
OKLCH	oklch(40.71% 0.242 269.9)
XYZ	xyz(11.7663, 5.5375, 55.6957)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251EC9 #C2C91E

analogous

#1E6DC9 #251EC9 #7A1EC9

triadic

#251EC9 #C9251E #1EC925

tetradic

#251EC9 #C91E6D #C2C91E #1EC97A

square

#251EC9 #C91E6D #C2C91E #1EC97A

split-complementary

#251EC9 #C97A1E #6DC91E

monochromatic

#110E5E #1B1694 #251EC9 #4841E3 #7B77EB

Accessibility & contrast

On white

9.96

#251EC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#251EC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251EC9

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251EC9	#FFFFFF	#000000	##FFFFFF
##251EC9	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BCD

Deuteranopia (green-blind)

#0039C6

Tritanopia (blue-blind)

#005878

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #251ec9;
/* rgb */ color: rgb(37, 30, 201);
/* oklch */ color: oklch(40.7% 0.242 269.9);

Tailwind

colors: {
  custom: {
    50: '#8061db',
    500: '#251ec9',
    950: '#000000',
  },
}

SCSS

$custom: #251ec9;
$custom-light: #8061db;
$custom-dark: #000000;

JSON

{
  "hex": "#251ec9",
  "rgb": {
    "r": 37,
    "g": 30,
    "b": 201
  },
  "hsl": {
    "h": 242.456,
    "s": 74.026,
    "l": 45.294
  },
  "oklch": {
    "l": 0.40713,
    "c": 0.24224,
    "h": 269.9
  },
  "luminance": 0.05539
}

Semantic roles & 50–950 ramp

primary

#251EC9

secondary

#CED271

accent

#F137E9

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0515

muted

#7D7A83

Preview Lab

Preview with #251EC9

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

Preview Lab → · Contrast checker → · Palette generator →