#3B60C9
Closest named color: Warm Blue (#4B57DB). oklch(52.1% 0.169 266.1), rgb(59, 96, 201).
Aa
White text reads best on this color (5.67:1).
About this color
#3B60C9 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.169 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.039 away. White text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.70:1 |
| White text | 5.67:1 |
Values
| HEX | #3B60C9 |
| RGB | rgb(59, 96, 201) |
| HSL | hsl(224, 57%, 51%) |
| OKLCH | oklch(52.1% 0.169 266.1) |
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 #3B60C9 | 5.67:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #3B60C9 | 3.70:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #3B60C9 text on white | 5.67:1 | AA | Lc 78.0 | Fine for body text |
| #3B60C9 text on black | 3.70:1 | AA large text | Lc -23.8 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBD9F8
oklch(88.5% 0.045 266.2)
-
Step 300
300
#A8C0F6
oklch(80.9% 0.081 266)
-
Step 400
400
#7A9DF2
oklch(70.6% 0.131 266.1)
-
Step 500
500
#5A82ED
oklch(63% 0.167 266.3)
-
Step 600
600
#4169DC
oklch(55.6% 0.182 266.1)
-
Step 700
700 (this color)
#3B60C9
oklch(52.1% 0.169 266.1)
-
Step 800
800
#2A489A
oklch(42.8% 0.139 265.7)
-
Step 900
900
#263D7B
oklch(37.7% 0.109 266)
-
Step 950
950
#162448
oklch(26.9% 0.07 265.9)
#3B60C9 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) | #1A6ECD | 0.038 |
| Deuteranopia (no green cones) | #0061C7 | 0.033 |
| Tritanopia (no blue cones) | #00798B | 0.136 |
| Achromatopsia (no color) | #676767 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B60C9
#3B60C9
oklch(52.1% 0.169 266.1)
- #846400
#846400
oklch(52.1% 0.107 86.6)
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 #3B60C9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.039
- Royal Blue #4169E1 ΔE 0.043
- Mid Blue #276AB3 ΔE 0.048
- Iris #6258C4 ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.056
- French Blue #436BAD ΔE 0.058
- Neon Blue #4361EE ΔE 0.058
- Azul #1D5DEC ΔE 0.058
Use #3B60C9 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.