#3962C8
Closest named color: Royal Blue (#4169E1). oklch(52.4% 0.166 264.8), rgb(57, 98, 200).
Aa
White text reads best on this color (5.59:1).
About this color
#3962C8 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.166 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.043 away. White text reads best on it, at 5.59:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #3962C8 |
| RGB | rgb(57, 98, 200) |
| HSL | hsl(223, 57%, 50%) |
| OKLCH | oklch(52.4% 0.166 264.8) |
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 #3962C8 | 5.59:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #3962C8 | 3.75:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #3962C8 text on white | 5.59:1 | AA | Lc 77.6 | Fine for body text |
| #3962C8 text on black | 3.75:1 | AA large text | Lc -24.2 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CCD9F5
oklch(88.4% 0.041 265.7)
-
Step 300
300
#A9C1F2
oklch(81% 0.074 264.4)
-
Step 400
400
#7C9FEB
oklch(70.8% 0.119 264.7)
-
Step 500
500
#5B85E5
oklch(63.2% 0.152 264.6)
-
Step 600
600 (this color)
#3962C8
oklch(52.4% 0.166 264.8)
-
Step 700
700
#3459B7
oklch(49% 0.155 265)
-
Step 800
800
#2B4A94
oklch(42.8% 0.127 264.5)
-
Step 900
900
#273E76
oklch(37.7% 0.1 265.2)
-
Step 950
950
#172545
oklch(27% 0.063 264.7)
#3962C8 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) | #236FCC | 0.034 |
| Deuteranopia (no green cones) | #0062C6 | 0.031 |
| Tritanopia (no blue cones) | #007A8B | 0.133 |
| Achromatopsia (no color) | #686868 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3962C8
#3962C8
oklch(52.4% 0.166 264.8)
- #866400
#866400
oklch(52.4% 0.107 85.2)
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 #3962C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.044
- Mid Blue #276AB3 ΔE 0.044
- French Blue #436BAD ΔE 0.053
- Iris #6258C4 ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.058
- Neon Blue #4361EE ΔE 0.060
- Azul #1D5DEC ΔE 0.060
Use #3962C8 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.