#5864BD
Closest named color: Iris (#6258C4). oklch(53.8% 0.138 275), rgb(88, 100, 189).
Aa
White text reads best on this color (5.28:1).
About this color
#5864BD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.138 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.035 away. White text reads best on it, at 5.28:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #5864BD |
| RGB | rgb(88, 100, 189) |
| HSL | hsl(233, 43%, 54%) |
| OKLCH | oklch(53.8% 0.138 275) |
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 #5864BD | 5.28:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #5864BD | 3.97:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #5864BD text on white | 5.28:1 | AA | Lc 76.1 | Fine for body text |
| #5864BD text on black | 3.97:1 | AA large text | Lc -25.7 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8F1
oklch(88.5% 0.035 274.9)
-
Step 300
300
#B4BEEA
oklch(80.9% 0.063 274.9)
-
Step 400
400
#8E9CDF
oklch(70.8% 0.099 274.5)
-
Step 500
500
#7482D6
oklch(63.2% 0.127 275)
-
Step 600
600 (this color)
#5864BD
oklch(53.8% 0.138 275)
-
Step 700
700
#4D57A8
oklch(49% 0.129 275.3)
-
Step 800
800
#3F4888
oklch(42.7% 0.106 275)
-
Step 900
900
#353D6D
oklch(37.7% 0.082 274.6)
-
Step 950
950
#1F2440
oklch(27% 0.052 274.7)
#5864BD 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) | #3C70C0 | 0.041 |
| Deuteranopia (no green cones) | #3068BB | 0.043 |
| Tritanopia (no blue cones) | #297787 | 0.122 |
| Achromatopsia (no color) | #6C6C6C | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5864BD
#5864BD
oklch(53.8% 0.138 275)
- #826C00
#826C00
oklch(53.7% 0.11 94.9)
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 #5864BD, closest first.
No curated palette has a color within ΔE 0.04 of #5864BD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.040
- French Blue #436BAD ΔE 0.042
- Slate Blue #6A5ACD ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.048
- Mid Blue #276AB3 ΔE 0.054
- Windows Blue #3778BF ΔE 0.059
- Royal Blue #4169E1 ΔE 0.060
Use #5864BD 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.