#3361CB
Closest named color: Warm Blue (#4B57DB). oklch(52.1% 0.173 263.8), rgb(51, 97, 203).
Aa
White text reads best on this color (5.65:1).
About this color
#3361CB is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.173 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.041 away. White text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #3361CB |
| RGB | rgb(51, 97, 203) |
| HSL | hsl(222, 60%, 50%) |
| OKLCH | oklch(52.1% 0.173 263.8) |
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 #3361CB | 5.65:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #3361CB | 3.71:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #3361CB text on white | 5.65:1 | AA | Lc 77.8 | Fine for body text |
| #3361CB text on black | 3.71:1 | AA large text | Lc -24.0 | 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 700.
-
Step 50
50
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CADAF9
oklch(88.6% 0.046 263.7)
-
Step 300
300
#A5C1F7
oklch(80.9% 0.083 263.3)
-
Step 400
400
#759EF4
oklch(70.6% 0.134 263.9)
-
Step 500
500
#5283EF
oklch(63% 0.171 263.8)
-
Step 600
600
#386ADE
oklch(55.6% 0.186 263.8)
-
Step 700
700 (this color)
#3361CB
oklch(52.1% 0.173 263.8)
-
Step 800
800
#24489C
oklch(42.6% 0.143 263.9)
-
Step 900
900
#223E7C
oklch(37.8% 0.111 263.7)
-
Step 950
950
#142549
oklch(27.2% 0.071 263.4)
#3361CB 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) | #176ECF | 0.034 |
| Deuteranopia (no green cones) | #0060C9 | 0.027 |
| Tritanopia (no blue cones) | #007B8C | 0.138 |
| Achromatopsia (no color) | #676767 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3361CB
#3361CB
oklch(52.1% 0.173 263.8)
- #866300
#866300
oklch(52.1% 0.107 84.3)
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 #3361CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.041
- Royal Blue #4169E1 ΔE 0.042
- Mid Blue #276AB3 ΔE 0.048
- Azul #1D5DEC ΔE 0.054
- Neon Blue #4361EE ΔE 0.057
- Iris #6258C4 ΔE 0.058
- French Blue #436BAD ΔE 0.060
- Cerulean Blue #056EEE ΔE 0.061
Use #3361CB 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.