#5E67CB
Closest named color: Dark Periwinkle (#665FD1). oklch(55.7% 0.153 276.4), rgb(94, 103, 203).
Aa
White text reads best on this color (4.90:1).
About this color
#5E67CB is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.153 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.024 away. White text reads best on it, at 4.90:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.27:1 |
| White text | 4.90:1 |
Values
| HEX | #5E67CB |
| RGB | rgb(94, 103, 203) |
| HSL | hsl(235, 51%, 58%) |
| OKLCH | oklch(55.7% 0.153 276.4) |
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 #5E67CB | 4.90:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #5E67CB | 4.27:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #5E67CB text on white | 4.90:1 | AA | Lc 73.8 | Content text, not long reading |
| #5E67CB text on black | 4.27:1 | AA large text | Lc -27.9 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D8F3
oklch(88.6% 0.038 275.7)
-
Step 300
300
#B4BDEE
oklch(80.8% 0.07 276.6)
-
Step 400
400
#8E9AE5
oklch(70.7% 0.111 276.2)
-
Step 500
500
#747FDD
oklch(63% 0.141 276.5)
-
Step 600
600 (this color)
#5E67CB
oklch(55.7% 0.153 276.4)
-
Step 700
700
#4E55AF
oklch(49.1% 0.141 276.5)
-
Step 800
800
#3F468E
oklch(42.7% 0.118 276)
-
Step 900
900
#353B71
oklch(37.6% 0.092 276.3)
-
Step 950
950
#1F2342
oklch(26.9% 0.058 276.3)
#5E67CB 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) | #3675CF | 0.051 |
| Deuteranopia (no green cones) | #296CC9 | 0.054 |
| Tritanopia (no blue cones) | #2A7D8F | 0.135 |
| Achromatopsia (no color) | #717171 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E67CB
#5E67CB
oklch(55.7% 0.153 276.4)
- #877300
#877300
oklch(55.8% 0.115 97)
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 #5E67CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.024
- Slate Blue #6A5ACD ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.037
- Iris #6258C4 ΔE 0.037
- Royal Blue #4169E1 ΔE 0.046
- Warm Blue #4B57DB ΔE 0.056
- French Blue #436BAD ΔE 0.061
- Windows Blue #3778BF ΔE 0.063
Use #5E67CB 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.