#5182EE
Closest named color: Soft Blue (#6488EA). oklch(62.6% 0.171 263.8), rgb(81, 130, 238).
Aa
Black text reads best on this color (5.77:1).
About this color
#5182EE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.171 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.028 away. Black text reads best on it, at 5.77:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #5182EE |
| RGB | rgb(81, 130, 238) |
| HSL | hsl(221, 82%, 63%) |
| OKLCH | oklch(62.6% 0.171 263.8) |
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 #5182EE | 3.63:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #5182EE | 5.77:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #5182EE text on white | 3.63:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #5182EE text on black | 5.77:1 | AA | Lc -38.1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CADAF9
oklch(88.6% 0.046 263.7)
-
Step 300
300
#A5C1F7
oklch(80.9% 0.083 263.3)
-
Step 400
400
#759EF4
oklch(70.6% 0.134 263.9)
-
Step 500
500 (this color)
#5182EE
oklch(62.6% 0.171 263.8)
-
Step 600
600
#386ADE
oklch(55.6% 0.186 263.8)
-
Step 700
700
#2B58C1
oklch(49.2% 0.172 263.7)
-
Step 800
800
#24489C
oklch(42.6% 0.143 263.9)
-
Step 900
900
#223D7C
oklch(37.6% 0.112 264.3)
-
Step 950
950
#142549
oklch(27.2% 0.071 263.4)
#5182EE 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) | #4C8EF2 | 0.030 |
| Deuteranopia (no green cones) | #2E7FEC | 0.031 |
| Tritanopia (no blue cones) | #009BAC | 0.141 |
| Achromatopsia (no color) | #868686 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5182EE
#5182EE
oklch(62.6% 0.171 263.8)
- #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 #5182EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.028
- Cornflower #6A79F7 ΔE 0.037
- Dark Sky Blue #448EE4 ΔE 0.038
- Dodger Blue #1E90FF ΔE 0.046
- Clear Blue #247AFD ΔE 0.048
- Chefchaouen Blue #4895EF ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.057
- Royal Blue #4169E1 ΔE 0.069
Use #5182EE 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.