#585FE1
Closest named color: Warm Blue (#4B57DB). oklch(55.4% 0.194 275.7), rgb(88, 95, 225).
Aa
White text reads best on this color (5.07:1).
About this color
#585FE1 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.194 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.029 away. White text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #585FE1 |
| RGB | rgb(88, 95, 225) |
| HSL | hsl(237, 70%, 61%) |
| OKLCH | oklch(55.4% 0.194 275.7) |
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 #585FE1 | 5.07:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #585FE1 | 4.13:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #585FE1 text on white | 5.07:1 | AA | Lc 74.6 | Content text, not long reading |
| #585FE1 text on black | 4.13:1 | AA large text | Lc -27.1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300
#B0BCF9
oklch(80.8% 0.087 275.7)
-
Step 400
400
#8997F7
oklch(70.6% 0.141 275.9)
-
Step 500
500
#6E7AF3
oklch(63% 0.179 275.7)
-
Step 600
600 (this color)
#585FE1
oklch(55.4% 0.194 275.7)
-
Step 700
700
#494EC4
oklch(49.1% 0.181 275.7)
-
Step 800
800
#3C419F
oklch(42.8% 0.15 275.8)
-
Step 900
900
#32387E
oklch(37.7% 0.117 275.6)
-
Step 950
950
#1D224A
oklch(27.1% 0.074 275)
#585FE1 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) | #0074E5 | 0.069 |
| Deuteranopia (no green cones) | #0069DE | 0.063 |
| Tritanopia (no blue cones) | #007E97 | 0.164 |
| Achromatopsia (no color) | #6E6E6E | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #585FE1
#585FE1
oklch(55.4% 0.194 275.7)
- #877100
#877100
oklch(55.3% 0.114 95.5)
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 #585FE1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.029
- Neon Blue #4361EE ΔE 0.031
- Dark Periwinkle #665FD1 ΔE 0.031
- Royal Blue #4169E1 ΔE 0.032
- Slate Blue #6A5ACD ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.041
- Iris #6258C4 ΔE 0.048
- Azul #1D5DEC ΔE 0.059
Use #585FE1 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.