#4264CF
Closest named color: Royal Blue (#4169E1). oklch(53.7% 0.17 267.2), rgb(66, 100, 207).
Aa
White text reads best on this color (5.30:1).
About this color
#4264CF is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.170 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.029 away. White text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #4264CF |
| RGB | rgb(66, 100, 207) |
| HSL | hsl(226, 59%, 54%) |
| OKLCH | oklch(53.7% 0.17 267.2) |
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 #4264CF | 5.30:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #4264CF | 3.95:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #4264CF text on white | 5.30:1 | AA | Lc 76.0 | Fine for body text |
| #4264CF text on black | 3.95:1 | AA large text | Lc -25.7 | 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 600.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300
#ABC0F3
oklch(81% 0.076 267.3)
-
Step 400
400
#7F9DED
oklch(70.7% 0.122 267.6)
-
Step 500
500
#5F83E7
oklch(63.1% 0.156 267)
-
Step 600
600 (this color)
#4264CF
oklch(53.7% 0.17 267.2)
-
Step 700
700
#3958B9
oklch(49.2% 0.157 267.1)
-
Step 800
800
#2F4896
oklch(42.7% 0.131 267.3)
-
Step 900
900
#293D77
oklch(37.6% 0.102 267.1)
-
Step 950
950
#182446
oklch(26.9% 0.065 267.3)
#4264CF 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) | #2072D3 | 0.040 |
| Deuteranopia (no green cones) | #0065CD | 0.038 |
| Tritanopia (no blue cones) | #007D90 | 0.138 |
| Achromatopsia (no color) | #6B6B6B | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4264CF
#4264CF
oklch(53.7% 0.17 267.2)
- #896900
#896900
oklch(53.8% 0.11 87.5)
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 #4264CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.029
- Warm Blue #4B57DB ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.046
- Neon Blue #4361EE ΔE 0.048
- Iris #6258C4 ΔE 0.049
- Mid Blue #276AB3 ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.055
- Azul #1D5DEC ΔE 0.057
Use #4264CF 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.