#5661E8
Closest named color: Neon Blue (#4361EE). oklch(56.1% 0.201 274.4), rgb(86, 97, 232).
Aa
White text reads best on this color (4.91:1).
About this color
#5661E8 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.201 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.024 away. White text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #5661E8 |
| RGB | rgb(86, 97, 232) |
| HSL | hsl(235, 76%, 62%) |
| OKLCH | oklch(56.1% 0.201 274.4) |
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 #5661E8 | 4.91:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #5661E8 | 4.27:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #5661E8 text on white | 4.91:1 | AA | Lc 73.6 | Content text, not long reading |
| #5661E8 text on black | 4.27:1 | AA large text | Lc -28.1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#AEBDFC
oklch(81% 0.091 273.9)
-
Step 400
400
#8698FA
oklch(70.8% 0.144 274.3)
-
Step 500
500
#6A7AF7
oklch(63% 0.185 274.3)
-
Step 600
600 (this color)
#5661E8
oklch(56.1% 0.201 274.4)
-
Step 700
700
#464DC8
oklch(49% 0.188 274.6)
-
Step 800
800
#3940A2
oklch(42.6% 0.156 274.5)
-
Step 900
900
#303880
oklch(37.7% 0.12 274.3)
-
Step 950
950
#1C214B
oklch(26.9% 0.077 274.9)
#5661E8 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) | #0077EC | 0.068 |
| Deuteranopia (no green cones) | #006AE5 | 0.059 |
| Tritanopia (no blue cones) | #00829B | 0.169 |
| Achromatopsia (no color) | #707070 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5661E8
#5661E8
oklch(56.1% 0.201 274.4)
- #8B7300
#8B7300
oklch(56.2% 0.115 94.4)
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 #5661E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.024
- Royal Blue #4169E1 ΔE 0.030
- Warm Blue #4B57DB ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.041
- Slate Blue #6A5ACD ΔE 0.050
- Light Indigo #6D5ACF ΔE 0.051
- Azul #1D5DEC ΔE 0.056
- Cerulean Blue #056EEE ΔE 0.058
Use #5661E8 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.