#5A5EC9
Closest named color: Iris (#6258C4). oklch(53.6% 0.163 277.8), rgb(90, 94, 201).
Aa
White text reads best on this color (5.41:1).
About this color
#5A5EC9 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.163 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.018 away. White text reads best on it, at 5.41:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.87:1 |
| White text | 5.41:1 |
Values
| HEX | #5A5EC9 |
| RGB | rgb(90, 94, 201) |
| HSL | hsl(238, 51%, 57%) |
| OKLCH | oklch(53.6% 0.163 277.8) |
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 #5A5EC9 | 5.41:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #5A5EC9 | 3.87:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #5A5EC9 text on white | 5.41:1 | AA | Lc 76.7 | Fine for body text |
| #5A5EC9 text on black | 3.87:1 | AA large text | Lc -25.0 | 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
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B5BDF0
oklch(81% 0.073 277.7)
-
Step 400
400
#8F99E9
oklch(70.7% 0.117 277.5)
-
Step 500
500
#757DE2
oklch(63% 0.15 277.7)
-
Step 600
600 (this color)
#5A5EC9
oklch(53.6% 0.163 277.8)
-
Step 700
700
#4F53B4
oklch(49.2% 0.151 277.5)
-
Step 800
800
#414492
oklch(42.7% 0.126 278)
-
Step 900
900
#363A74
oklch(37.6% 0.098 277.6)
-
Step 950
950
#202244
oklch(26.9% 0.063 278.8)
#5A5EC9 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) | #1F6FCD | 0.064 |
| Deuteranopia (no green cones) | #0266C7 | 0.068 |
| Tritanopia (no blue cones) | #21768A | 0.142 |
| Achromatopsia (no color) | #6A6A6A | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A5EC9
#5A5EC9
oklch(53.6% 0.163 277.8)
- #7F6D00
#7F6D00
oklch(53.6% 0.111 97.7)
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 #5A5EC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.018
- Dark Periwinkle #665FD1 ΔE 0.022
- Slate Blue #6A5ACD ΔE 0.025
- Light Indigo #6D5ACF ΔE 0.031
- Warm Blue #4B57DB ΔE 0.040
- Royal Blue #4169E1 ΔE 0.049
- Neon Blue #4361EE ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.064
Use #5A5EC9 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.