#285EC0
Closest named color: Mid Blue (#276AB3). oklch(50.3% 0.164 261.1), rgb(40, 94, 192).
Aa
White text reads best on this color (6.08:1).
About this color
#285EC0 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.164 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.041 away. White text reads best on it, at 6.08:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.45:1 |
| White text | 6.08:1 |
Values
| HEX | #285EC0 |
| RGB | rgb(40, 94, 192) |
| HSL | hsl(219, 66%, 45%) |
| OKLCH | oklch(50.3% 0.164 261.1) |
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 #285EC0 | 6.08:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #285EC0 | 3.45:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #285EC0 text on white | 6.08:1 | AA | Lc 79.9 | Fine for body text |
| #285EC0 text on black | 3.45:1 | AA large text | Lc -21.9 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF7
oklch(88.5% 0.044 261.2)
-
Step 300
300
#A4C2F5
oklch(81% 0.08 260.9)
-
Step 400
400
#73A0F0
oklch(70.7% 0.128 261.3)
-
Step 500
500
#4E86EA
oklch(63.1% 0.162 261)
-
Step 600
600
#326DD9
oklch(55.6% 0.177 261.2)
-
Step 700
700 (this color)
#285EC0
oklch(50.3% 0.164 261.1)
-
Step 800
800
#204A98
oklch(42.6% 0.136 261.4)
-
Step 900
900
#1F3F79
oklch(37.7% 0.106 261.2)
-
Step 950
950
#132547
oklch(26.9% 0.068 261.9)
#285EC0 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) | #1E6AC4 | 0.031 |
| Deuteranopia (no green cones) | #005CBE | 0.020 |
| Tritanopia (no blue cones) | #007686 | 0.128 |
| Achromatopsia (no color) | #626262 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285EC0
#285EC0
oklch(50.3% 0.164 261.1)
- #825D00
#825D00
oklch(50.4% 0.104 81.5)
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 #285EC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.041
- Warm Blue #4B57DB ΔE 0.057
- French Blue #436BAD ΔE 0.058
- Royal Blue #4169E1 ΔE 0.064
- Iris #6258C4 ΔE 0.068
- Azul #1D5DEC ΔE 0.068
- Blue Blue #2242C7 ΔE 0.069
- Denim Blue #3B5B92 ΔE 0.074
Use #285EC0 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.