#5A65BF
Closest named color: Iris (#6258C4). oklch(54.2% 0.139 275.5), rgb(90, 101, 191).
Aa
White text reads best on this color (5.18:1).
About this color
#5A65BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.139 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 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #5A65BF |
| RGB | rgb(90, 101, 191) |
| HSL | hsl(233, 44%, 55%) |
| OKLCH | oklch(54.2% 0.139 275.5) |
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 #5A65BF | 5.18:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #5A65BF | 4.04:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #5A65BF text on white | 5.18:1 | AA | Lc 75.5 | Fine for body text |
| #5A65BF text on black | 4.04:1 | AA large text | Lc -26.2 | 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
#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
#B5BEEA
oklch(80.9% 0.063 275.9)
-
Step 400
400
#8F9BDF
oklch(70.6% 0.101 275.8)
-
Step 500
500
#7481D6
oklch(63% 0.128 275.5)
-
Step 600
600 (this color)
#5A65BF
oklch(54.2% 0.139 275.5)
-
Step 700
700
#4D57A9
oklch(49.1% 0.13 275.3)
-
Step 800
800
#3F4889
oklch(42.8% 0.107 275)
-
Step 900
900
#363D6D
oklch(37.8% 0.082 275.5)
-
Step 950
950
#1F2440
oklch(27% 0.052 274.7)
#5A65BF 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) | #3C71C2 | 0.042 |
| Deuteranopia (no green cones) | #3169BD | 0.045 |
| Tritanopia (no blue cones) | #2C7989 | 0.123 |
| Achromatopsia (no color) | #6D6D6D | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A65BF
#5A65BF
oklch(54.2% 0.139 275.5)
- #836E00
#836E00
oklch(54.2% 0.111 95.8)
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 #5A65BF, closest first.
No curated palette has a color within ΔE 0.04 of #5A65BF.
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 0.037
- Slate Blue #6A5ACD ΔE 0.042
- French Blue #436BAD ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.046
- Mid Blue #276AB3 ΔE 0.057
- Royal Blue #4169E1 ΔE 0.058
- Windows Blue #3778BF ΔE 0.058
Use #5A65BF 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.