#264BA6
Closest named color: Cobalt (#1E488F). oklch(44.2% 0.153 264.3), rgb(38, 75, 166).
Aa
White text reads best on this color (7.95:1).
About this color
#264BA6 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.153 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.039 away. White text reads best on it, at 7.95:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #264BA6 |
| RGB | rgb(38, 75, 166) |
| HSL | hsl(223, 63%, 40%) |
| OKLCH | oklch(44.2% 0.153 264.3) |
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 #264BA6 | 7.95:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #264BA6 | 2.63:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #264BA6 text on white | 7.95:1 | AAA | Lc 87.1 | Fine for body text |
| #264BA6 text on black | 2.63:1 | Fails | Lc -15.0 | Not readable |
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 800.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9DAFB
oklch(88.6% 0.049 263.7)
-
Step 300
300
#A4C0FB
oklch(80.8% 0.089 264.8)
-
Step 400
400
#739DF9
oklch(70.6% 0.143 264.5)
-
Step 500
500
#5082F7
oklch(63.2% 0.183 264.4)
-
Step 600
600
#3568E5
oklch(55.6% 0.198 264.2)
-
Step 700
700
#2855C7
oklch(49% 0.185 264.3)
-
Step 800
800 (this color)
#264BA6
oklch(44.2% 0.153 264.3)
-
Step 900
900
#203C80
oklch(37.6% 0.12 264.5)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#264BA6 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) | #0057A9 | 0.033 |
| Deuteranopia (no green cones) | #004BA4 | 0.021 |
| Tritanopia (no blue cones) | #006171 | 0.120 |
| Achromatopsia (no color) | #515151 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #264BA6
#264BA6
oklch(44.2% 0.153 264.3)
- #6A4E00
#6A4E00
oklch(44.2% 0.091 84.7)
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 #264BA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.039
- Sapphire #2138AB ΔE 0.048
- Blueberry #464196 ΔE 0.049
- Dusk Blue #26538D ΔE 0.049
- Blue Blue #2242C7 ΔE 0.057
- Light Navy #155084 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.065
Use #264BA6 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.