#585EB5
Closest named color: Iris (#6258C4). oklch(52.1% 0.135 277.6), rgb(88, 94, 181).
Aa
White text reads best on this color (5.70:1).
About this color
#585EB5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.135 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.032 away. White text reads best on it, at 5.70:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #585EB5 |
| RGB | rgb(88, 94, 181) |
| HSL | hsl(236, 39%, 53%) |
| OKLCH | oklch(52.1% 0.135 277.6) |
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 #585EB5 | 5.70:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #585EB5 | 3.68:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #585EB5 text on white | 5.70:1 | AA | Lc 78.3 | Fine for body text |
| #585EB5 text on black | 3.68:1 | AA large text | Lc -23.5 | 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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B6BDEB
oklch(80.9% 0.065 278.1)
-
Step 400
400
#919AE1
oklch(70.7% 0.104 277.8)
-
Step 500
500
#7780D9
oklch(63.2% 0.133 277.5)
-
Step 600
600
#6167C6
oklch(55.6% 0.145 277.8)
-
Step 700
700 (this color)
#585EB5
oklch(52.1% 0.135 277.6)
-
Step 800
800
#42468B
oklch(42.7% 0.112 278)
-
Step 900
900
#373C6F
oklch(37.8% 0.087 277.2)
-
Step 950
950
#202341
oklch(27% 0.056 277.7)
#585EB5 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) | #376AB8 | 0.045 |
| Deuteranopia (no green cones) | #2E63B3 | 0.048 |
| Tritanopia (no blue cones) | #327181 | 0.118 |
| Achromatopsia (no color) | #666666 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #585EB5
#585EB5
oklch(52.1% 0.135 277.6)
- #7A6900
#7A6900
oklch(52.1% 0.108 98)
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 #585EB5, closest first.
No curated palette has a color within ΔE 0.04 of #585EB5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.032
- French Blue #436BAD ΔE 0.045
- Slate Blue #6A5ACD ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.053
- Mid Blue #276AB3 ΔE 0.056
- Dusky Blue #475F94 ΔE 0.059
- Warm Blue #4B57DB ΔE 0.066
Use #585EB5 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.