#3D6CF1
Closest named color: Royal Blue (#4169E1). oklch(57.6% 0.207 265.5), rgb(61, 108, 241).
Aa
Black text reads best on this color (4.61:1).
About this color
#3D6CF1 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.207 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.025 away. Black text reads best on it, at 4.61:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.207) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.61:1 |
| White text | 4.55:1 |
Values
| HEX | #3D6CF1 |
| RGB | rgb(61, 108, 241) |
| HSL | hsl(224, 87%, 59%) |
| OKLCH | oklch(57.6% 0.207 265.5) |
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 #3D6CF1 | 4.55:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #3D6CF1 | 4.61:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #3D6CF1 text on white | 4.55:1 | AA | Lc 71.1 | Content text, not long reading |
| #3D6CF1 text on black | 4.61:1 | AA | Lc -30.6 | Non-text elements, placeholder text |
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
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FC
oklch(88.5% 0.051 265.9)
-
Step 300
300
#A4C0FE
oklch(81% 0.093 265.6)
-
Step 400
400
#749CFD
oklch(70.6% 0.149 265.8)
-
Step 500
500
#5180FB
oklch(63.1% 0.19 265.5)
-
Step 600
600 (this color)
#3D6CF1
oklch(57.6% 0.207 265.5)
-
Step 700
700
#2B53CC
oklch(49.1% 0.193 265.6)
-
Step 800
800
#2445A4
oklch(42.7% 0.158 265.5)
-
Step 900
900
#213B82
oklch(37.6% 0.124 265.6)
-
Step 950
950
#14234C
oklch(26.9% 0.078 266.1)
#3D6CF1 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) | #007FF6 | 0.048 |
| Deuteranopia (no green cones) | #006EEE | 0.029 |
| Tritanopia (no blue cones) | #008DA4 | 0.163 |
| Achromatopsia (no color) | #767676 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D6CF1
#3D6CF1
oklch(57.6% 0.207 265.5)
- #987300
#987300
oklch(57.6% 0.118 86.1)
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 #3D6CF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.025
- Neon Blue #4361EE ΔE 0.025
- Cerulean Blue #056EEE ΔE 0.028
- Clear Blue #247AFD ΔE 0.037
- Bright Blue #0165FC ΔE 0.040
- Azul #1D5DEC ΔE 0.047
- Warm Blue #4B57DB ΔE 0.057
- Cornflower #6A79F7 ΔE 0.064
Use #3D6CF1 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.