#4490E6
Closest named color: Dark Sky Blue (#448EE4). oklch(64.6% 0.15 253.5), rgb(68, 144, 230).
Aa
Black text reads best on this color (6.37:1).
About this color
#4490E6 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.150 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.006 away. Black text reads best on it, at 6.37:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #4490E6 |
| RGB | rgb(68, 144, 230) |
| HSL | hsl(212, 76%, 58%) |
| OKLCH | oklch(64.6% 0.15 253.5) |
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 #4490E6 | 3.29:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #4490E6 | 6.37:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #4490E6 text on white | 3.29:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #4490E6 text on black | 6.37:1 | AA | Lc -41.8 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C7DBF4
oklch(88.4% 0.041 254)
-
Step 300
300
#A0C4EF
oklch(80.9% 0.072 253.1)
-
Step 400
400
#6BA4E8
oklch(70.8% 0.117 253.6)
-
Step 500
500 (this color)
#4490E6
oklch(64.6% 0.15 253.5)
-
Step 600
600
#1773CF
oklch(55.5% 0.163 253.6)
-
Step 700
700
#0560B3
oklch(49.1% 0.151 253.5)
-
Step 800
800
#0C4F91
oklch(42.7% 0.125 253.4)
-
Step 900
900
#154274
oklch(37.7% 0.098 253.8)
-
Step 950
950
#0E2744
oklch(27% 0.062 253.9)
#4490E6 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) | #6996E9 | 0.041 |
| Deuteranopia (no green cones) | #5087E4 | 0.024 |
| Tritanopia (no blue cones) | #00A4B0 | 0.115 |
| Achromatopsia (no color) | #8E8E8E | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4490E6
#4490E6
oklch(64.6% 0.15 253.5)
- #BF7F00
#BF7F00
oklch(64.6% 0.137 73.8)
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 #4490E6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.006
- Chefchaouen Blue #4895EF ΔE 0.018
- Soft Blue #6488EA ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.036
- Dodger Blue #1E90FF ΔE 0.041
- Water Blue #0E87CC ΔE 0.055
- Faded Blue #658CBB ΔE 0.068
- Cool Blue #4984B8 ΔE 0.071
Use #4490E6 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.