#4582D0
Closest named color: Water Blue (#0E87CC). oklch(60.3% 0.135 255.6), rgb(69, 130, 208).
Aa
Black text reads best on this color (5.35:1).
About this color
#4582D0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.135 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.031 away. Black text reads best on it, at 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #4582D0 |
| RGB | rgb(69, 130, 208) |
| HSL | hsl(214, 60%, 54%) |
| OKLCH | oklch(60.3% 0.135 255.6) |
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 #4582D0 | 3.92:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #4582D0 | 5.35:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #4582D0 text on white | 3.92:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #4582D0 text on black | 5.35:1 | AA | Lc -35.3 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADBF2
oklch(88.6% 0.037 256)
-
Step 300
300
#A5C3EB
oklch(80.9% 0.066 255.7)
-
Step 400
400
#73A3E2
oklch(70.7% 0.106 255.6)
-
Step 500
500 (this color)
#4582D0
oklch(60.3% 0.135 255.6)
-
Step 600
600
#2F73C7
oklch(55.6% 0.147 255.5)
-
Step 700
700
#2260AC
oklch(49.1% 0.137 255.7)
-
Step 800
800
#1E4F8B
oklch(42.7% 0.113 255.4)
-
Step 900
900
#1E426F
oklch(37.7% 0.088 255.3)
-
Step 950
950
#132741
oklch(27% 0.055 255.7)
#4582D0 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) | #5F88D3 | 0.033 |
| Deuteranopia (no green cones) | #4B7BCE | 0.019 |
| Tritanopia (no blue cones) | #00949F | 0.108 |
| Achromatopsia (no color) | #818181 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4582D0
#4582D0
oklch(60.3% 0.135 255.6)
- #AC7400
#AC7400
oklch(60.2% 0.127 75.4)
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 #4582D0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.031
- Cool Blue #4984B8 ΔE 0.039
- Windows Blue #3778BF ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.040
- Steel Blue #4682B4 ΔE 0.044
- Soft Blue #6488EA ΔE 0.054
- Off Blue #5684AE ΔE 0.056
- Faded Blue #658CBB ΔE 0.059
Use #4582D0 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.