#4261CB
Closest named color: Warm Blue (#4B57DB). oklch(52.8% 0.168 267.9), rgb(66, 97, 203).
Aa
White text reads best on this color (5.52:1).
About this color
#4261CB is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.168 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.036 away. White text reads best on it, at 5.52:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.80:1 |
| White text | 5.52:1 |
Values
| HEX | #4261CB |
| RGB | rgb(66, 97, 203) |
| HSL | hsl(226, 57%, 53%) |
| OKLCH | oklch(52.8% 0.168 267.9) |
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 #4261CB | 5.52:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #4261CB | 3.80:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #4261CB text on white | 5.52:1 | AA | Lc 77.2 | Fine for body text |
| #4261CB text on black | 3.80:1 | AA large text | Lc -24.6 | 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
#809DEC
oklch(70.7% 0.121 267.9)
-
Step 500
500
#6182E6
oklch(63% 0.155 268)
-
Step 600
600 (this color)
#4261CB
oklch(52.8% 0.168 267.9)
-
Step 700
700
#3B57B8
oklch(49% 0.157 268)
-
Step 800
800
#314895
oklch(42.7% 0.129 268)
-
Step 900
900
#2B3D77
oklch(37.7% 0.101 268.3)
-
Step 950
950
#192445
oklch(26.9% 0.063 268.1)
#4261CB 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) | #1C6FCF | 0.041 |
| Deuteranopia (no green cones) | #0063C9 | 0.039 |
| Tritanopia (no blue cones) | #007A8D | 0.137 |
| Achromatopsia (no color) | #696969 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4261CB
#4261CB
oklch(52.8% 0.168 267.9)
- #856700
#856700
oklch(52.9% 0.108 88.5)
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 #4261CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.036
- Royal Blue #4169E1 ΔE 0.038
- Iris #6258C4 ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.048
- Mid Blue #276AB3 ΔE 0.052
- Neon Blue #4361EE ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.054
- French Blue #436BAD ΔE 0.058
Use #4261CB 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.