#4582D1
Closest named color: Water Blue (#0E87CC). oklch(60.3% 0.137 255.8), rgb(69, 130, 209).
Aa
Black text reads best on this color (5.36:1).
About this color
#4582D1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.137 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.032 away. Black text reads best on it, at 5.36:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #4582D1 |
| RGB | rgb(69, 130, 209) |
| HSL | hsl(214, 60%, 55%) |
| OKLCH | oklch(60.3% 0.137 255.8) |
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 #4582D1 | 3.91:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #4582D1 | 5.36:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #4582D1 text on white | 3.91:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #4582D1 text on black | 5.36:1 | AA | Lc -35.4 | 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
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300
#A5C3EC
oklch(80.9% 0.067 256.3)
-
Step 400
400
#73A3E2
oklch(70.7% 0.106 255.6)
-
Step 500
500 (this color)
#4582D1
oklch(60.3% 0.137 255.8)
-
Step 600
600
#2F73C8
oklch(55.6% 0.149 255.8)
-
Step 700
700
#2160AD
oklch(49.1% 0.138 255.7)
-
Step 800
800
#1E4F8C
oklch(42.8% 0.114 255.7)
-
Step 900
900
#1E4270
oklch(37.8% 0.089 255.7)
-
Step 950
950
#122741
oklch(27% 0.056 254.8)
#4582D1 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) | #5F88D4 | 0.033 |
| Deuteranopia (no green cones) | #4A7BCF | 0.018 |
| Tritanopia (no blue cones) | #00949F | 0.109 |
| Achromatopsia (no color) | #818181 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4582D1
#4582D1
oklch(60.3% 0.137 255.8)
- #AC7500
#AC7500
oklch(60.4% 0.127 76.1)
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 #4582D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.032
- Dark Sky Blue #448EE4 ΔE 0.039
- Windows Blue #3778BF ΔE 0.040
- Cool Blue #4984B8 ΔE 0.040
- Steel Blue #4682B4 ΔE 0.045
- Soft Blue #6488EA ΔE 0.053
- Off Blue #5684AE ΔE 0.057
- Faded Blue #658CBB ΔE 0.060
Use #4582D1 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.