#4E82CF
Closest named color: Cool Blue (#4984B8). oklch(60.6% 0.13 258.1), rgb(78, 130, 207).
Aa
Black text reads best on this color (5.41:1).
About this color
#4E82CF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.130 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.038 away. Black text reads best on it, at 5.41:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.41:1 |
| White text | 3.87:1 |
Values
| HEX | #4E82CF |
| RGB | rgb(78, 130, 207) |
| HSL | hsl(216, 57%, 56%) |
| OKLCH | oklch(60.6% 0.13 258.1) |
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 #4E82CF | 3.87:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #4E82CF | 5.41:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #4E82CF text on white | 3.87:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #4E82CF text on black | 5.41:1 | AA | Lc -35.7 | 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
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A8C2EA
oklch(80.8% 0.064 258.9)
-
Step 400
400
#78A2E0
oklch(70.7% 0.102 258)
-
Step 500
500 (this color)
#4E82CF
oklch(60.6% 0.13 258.1)
-
Step 600
600
#3A72C5
oklch(55.6% 0.142 258.2)
-
Step 700
700
#2C5FAA
oklch(49.1% 0.132 258.2)
-
Step 800
800
#254E8A
oklch(42.7% 0.11 258.1)
-
Step 900
900
#23416E
oklch(37.6% 0.085 258.3)
-
Step 950
950
#152740
oklch(27.1% 0.053 256.9)
#4E82CF 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) | #6188D2 | 0.028 |
| Deuteranopia (no green cones) | #4F7CCD | 0.016 |
| Tritanopia (no blue cones) | #00939F | 0.107 |
| Achromatopsia (no color) | #818181 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E82CF
#4E82CF
oklch(60.6% 0.13 258.1)
- #AB7700
#AB7700
oklch(60.7% 0.126 78.2)
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 #4E82CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.038
- Water Blue #0E87CC ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.040
- Windows Blue #3778BF ΔE 0.043
- Steel Blue #4682B4 ΔE 0.044
- Soft Blue #6488EA ΔE 0.050
- Off Blue #5684AE ΔE 0.053
- Faded Blue #658CBB ΔE 0.053
Use #4E82CF 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.