#5B85DD
Closest named color: Soft Blue (#6488EA). oklch(62.7% 0.141 263.6), rgb(91, 133, 221).
Aa
Black text reads best on this color (5.84:1).
About this color
#5B85DD is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.141 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.023 away. Black text reads best on it, at 5.84:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.84:1 |
| White text | 3.59:1 |
Values
| HEX | #5B85DD |
| RGB | rgb(91, 133, 221) |
| HSL | hsl(221, 66%, 61%) |
| OKLCH | oklch(62.7% 0.141 263.6) |
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 #5B85DD | 3.59:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #5B85DD | 5.84:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #5B85DD text on white | 3.59:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #5B85DD text on black | 5.84:1 | AA | Lc -38.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCDAF3
oklch(88.6% 0.038 262.1)
-
Step 300
300
#AAC1EE
oklch(80.9% 0.069 263.7)
-
Step 400
400
#7DA0E6
oklch(70.8% 0.11 263.5)
-
Step 500
500 (this color)
#5B85DD
oklch(62.7% 0.141 263.6)
-
Step 600
600
#436ECC
oklch(55.6% 0.153 263.7)
-
Step 700
700
#355BB1
oklch(49.1% 0.144 263.9)
-
Step 800
800
#2C4B8F
oklch(42.7% 0.118 263.7)
-
Step 900
900
#273F72
oklch(37.6% 0.092 263.6)
-
Step 950
950
#172543
oklch(26.9% 0.059 264)
#5B85DD 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) | #5F8DE0 | 0.022 |
| Deuteranopia (no green cones) | #4E81DB | 0.019 |
| Tritanopia (no blue cones) | #0099A6 | 0.124 |
| Achromatopsia (no color) | #878787 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B85DD
#5B85DD
oklch(62.7% 0.141 263.6)
- #AD8000
#AD8000
oklch(62.7% 0.129 83.7)
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 #5B85DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.023
- Dark Sky Blue #448EE4 ΔE 0.029
- Chefchaouen Blue #4895EF ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.048
- Cornflower #6A79F7 ΔE 0.055
- Water Blue #0E87CC ΔE 0.058
- Faded Blue #658CBB ΔE 0.061
- Cool Blue #4984B8 ΔE 0.061
Use #5B85DD 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.