#5655DD
Closest named color: Warm Blue (#4B57DB). oklch(53.2% 0.202 277.4), rgb(86, 85, 221).
Aa
White text reads best on this color (5.61:1).
About this color
#5655DD is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.202 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.015 away. White text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #5655DD |
| RGB | rgb(86, 85, 221) |
| HSL | hsl(240, 67%, 60%) |
| OKLCH | oklch(53.2% 0.202 277.4) |
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 #5655DD | 5.61:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #5655DD | 3.73:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #5655DD text on white | 5.61:1 | AA | Lc 77.6 | Fine for body text |
| #5655DD text on black | 3.73:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D0D7FB
oklch(88.5% 0.05 276.6)
-
Step 300
300
#B2BCFB
oklch(81% 0.09 277.2)
-
Step 400
400
#8B96FA
oklch(70.7% 0.146 277.2)
-
Step 500
500
#7178F6
oklch(63% 0.185 277.3)
-
Step 600
600 (this color)
#5655DD
oklch(53.2% 0.202 277.4)
-
Step 700
700
#4C4BC7
oklch(49% 0.188 277.3)
-
Step 800
800
#3E3FA1
oklch(42.7% 0.155 277.2)
-
Step 900
900
#343780
oklch(37.8% 0.121 277.1)
-
Step 950
950
#1E214B
oklch(27.1% 0.077 276.9)
#5655DD 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) | #006DE1 | 0.074 |
| Deuteranopia (no green cones) | #0062DA | 0.066 |
| Tritanopia (no blue cones) | #007791 | 0.170 |
| Achromatopsia (no color) | #676767 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5655DD
#5655DD
oklch(53.2% 0.202 277.4)
- #7E6C00
#7E6C00
oklch(53.2% 0.11 97.6)
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 #5655DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.015
- Dark Periwinkle #665FD1 ΔE 0.040
- Neon Blue #4361EE ΔE 0.041
- Slate Blue #6A5ACD ΔE 0.042
- Iris #6258C4 ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.044
- Royal Blue #4169E1 ΔE 0.048
- Bluey Purple #6241C7 ΔE 0.055
Use #5655DD 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.