#264FA6
Closest named color: Cobalt (#1E488F). oklch(45% 0.148 262.9), rgb(38, 79, 166).
Aa
White text reads best on this color (7.63:1).
About this color
#264FA6 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.148 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.042 away. White text reads best on it, at 7.63:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.75:1 |
| White text | 7.63:1 |
Values
| HEX | #264FA6 |
| RGB | rgb(38, 79, 166) |
| HSL | hsl(221, 63%, 40%) |
| OKLCH | oklch(45% 0.148 262.9) |
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 #264FA6 | 7.63:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #264FA6 | 2.75:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #264FA6 text on white | 7.63:1 | AAA | Lc 86.1 | Fine for body text |
| #264FA6 text on black | 2.75:1 | Fails | Lc -16.0 | 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 800.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAFA
oklch(88.6% 0.048 263.1)
-
Step 300
300
#A3C1F9
oklch(80.9% 0.086 262.7)
-
Step 400
400
#729FF7
oklch(70.8% 0.138 262.8)
-
Step 500
500
#4D83F3
oklch(63% 0.178 263)
-
Step 600
600
#326AE2
oklch(55.7% 0.192 262.9)
-
Step 700
700
#2557C4
oklch(49% 0.179 263)
-
Step 800
800 (this color)
#264FA6
oklch(45% 0.148 262.9)
-
Step 900
900
#1F3D7E
oklch(37.6% 0.116 263.3)
-
Step 950
950
#12254A
oklch(27.1% 0.073 262.2)
#264FA6 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) | #145AA9 | 0.029 |
| Deuteranopia (no green cones) | #004EA4 | 0.021 |
| Tritanopia (no blue cones) | #006473 | 0.116 |
| Achromatopsia (no color) | #535353 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #264FA6
#264FA6
oklch(45% 0.148 262.9)
- #6E4F00
#6E4F00
oklch(44.9% 0.092 82.4)
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 #264FA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.042
- Dusk Blue #26538D ΔE 0.044
- Blueberry #464196 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.056
- Sapphire #2138AB ΔE 0.058
- Light Navy #155084 ΔE 0.059
- Blue Blue #2242C7 ΔE 0.061
- Light Navy Blue #2E5A88 ΔE 0.063
Use #264FA6 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.