#264BBB
Closest named color: Blue Blue (#2242C7). oklch(45.9% 0.181 265.5), rgb(38, 75, 187).
Aa
White text reads best on this color (7.48:1).
About this color
#264BBB is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.181 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.028 away. White text reads best on it, at 7.48:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #264BBB |
| RGB | rgb(38, 75, 187) |
| HSL | hsl(225, 66%, 44%) |
| OKLCH | oklch(45.9% 0.181 265.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #264BBB | 7.48:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #264BBB | 2.80:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #264BBB text on white | 7.48:1 | AAA | Lc 85.4 | Fine for body text |
| #264BBB text on black | 2.80:1 | Fails | Lc -16.7 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FA
oklch(88.5% 0.048 266)
-
Step 300
300
#A6C0FA
oklch(80.9% 0.087 265.8)
-
Step 400
400
#769DF8
oklch(70.7% 0.141 265.4)
-
Step 500
500
#5481F5
oklch(63% 0.18 265.6)
-
Step 600
600
#3B67E4
oklch(55.6% 0.196 265.6)
-
Step 700
700 (this color)
#264BBB
oklch(45.9% 0.181 265.5)
-
Step 800
800
#2646A0
oklch(42.6% 0.151 265.5)
-
Step 900
900
#233C7F
oklch(37.7% 0.118 265.6)
-
Step 950
950
#15244A
oklch(27% 0.073 265.6)
#264BBB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #005CBF | 0.042 |
| Deuteranopia (no green cones) | #004EB9 | 0.019 |
| Tritanopia (no blue cones) | #00687B | 0.143 |
| Achromatopsia (no color) | #555555 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #264BBB
#264BBB
oklch(45.9% 0.181 265.5)
- #6F5300
#6F5300
oklch(45.9% 0.094 85.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #264BBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.028
- Majorelle Blue #3F37C9 ΔE 0.050
- Sapphire #2138AB ΔE 0.053
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Blurple #5539CC ΔE 0.070
- Blueberry #464196 ΔE 0.071
- Cobalt #1E488F ΔE 0.072
- Warm Blue #4B57DB ΔE 0.074
Use #264BBB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.