#257AA7#257AA7
#257AA7 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.1% C 0.105 H 236.8°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).
Color values
| HEX | #257AA7 |
|---|---|
| RGB | rgb(37, 122, 167) |
| HSL | hsl(201, 64%, 40%) |
| HSV | hsv(201, 78%, 65%) |
| CMYK | cmyk(77.8%, 26.9%, 0%, 34.5%) |
| CIE-LAB | lab(48.39, -9.17, -31.12) |
| CIE-LCH | lch(48.39, 32.44, 253.58°) |
| OKLab | oklab(55.07% -0.0574 -0.0879) |
| OKLCH | oklch(55.07% 0.105 236.8) |
| XYZ | xyz(14.6948, 17.1006, 39.0780) |
| Luminance | 0.1710 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 1.73
Cerulean
#007BA7
ΔE00 2.05
Ocean Blue (survey)
#03719C
ΔE00 3.83
Stormy Blue
#507B9C
ΔE00 4.92
Muted Blue
#3B719F
ΔE00 5.01
Dull Blue
#49759C
ΔE00 5.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#257AA7 #A75225
analogous
#25A793 #257AA7 #2539A7
triadic
#257AA7 #A7257A #7AA725
tetradic
#257AA7 #9325A7 #A75225 #39A725
square
#257AA7 #9325A7 #A75225 #39A725
split-complementary
#257AA7 #A72539 #A79325
monochromatic
#0F3143 #1A5575 #257AA7 #379DD3 #69B5DE
Accessibility & contrast
On white
4.75
#257AA7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.42
#257AA7 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #257AA7
4.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##257AA7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##257AA7 | 1.00 | 4.75 | 4.42 | 4.75 |
| #FFFFFF | 4.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#647AA9
Deuteranopia (green-blind)
#536DA6
Tritanopia (blue-blind)
#008689
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #257aa7; /* rgb */ color: rgb(37, 122, 167); /* oklch */ color: oklch(55.1% 0.105 236.8);
Tailwind
colors: {
custom: {
50: '#74a0c1',
500: '#257aa7',
950: '#000000',
},
}SCSS
$custom: #257aa7; $custom-light: #74a0c1; $custom-dark: #000000;
JSON
{
"hex": "#257aa7",
"rgb": {
"r": 37,
"g": 122,
"b": 167
},
"hsl": {
"h": 200.769,
"s": 63.725,
"l": 40
},
"oklch": {
"l": 0.55074,
"c": 0.10497,
"h": 236.8
},
"luminance": 0.17102
}Semantic roles & 50–950 ramp
primary
#257AA7
secondary
#C48564
accent
#7A41E7
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#090E12
muted
#7B7E81