#4497EB
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.4% 0.149 251.3), rgb(68, 151, 235).
Aa
Black text reads best on this color (6.87:1).
About this color
#4497EB is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.149 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.009 away. Black text reads best on it, at 6.87:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.87:1 |
| White text | 3.05:1 |
Values
| HEX | #4497EB |
| RGB | rgb(68, 151, 235) |
| HSL | hsl(210, 81%, 59%) |
| OKLCH | oklch(66.4% 0.149 251.3) |
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 #4497EB | 3.05:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #4497EB | 6.87:1 | AA | Lc 47.0 | Large or bold text, headings |
| #4497EB text on white | 3.05:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #4497EB text on black | 6.87:1 | AA | Lc -44.7 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF4
oklch(88.6% 0.041 250.6)
-
Step 300
300
#9EC4EF
oklch(80.8% 0.074 251.8)
-
Step 400
400
#67A5E7
oklch(70.7% 0.117 251.2)
-
Step 500
500 (this color)
#4497EB
oklch(66.4% 0.149 251.3)
-
Step 600
600
#0375CE
oklch(55.7% 0.162 251.3)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#015090
oklch(42.7% 0.125 251.3)
-
Step 900
900
#104373
oklch(37.7% 0.097 251.2)
-
Step 950
950
#0C2843
oklch(27.1% 0.061 250.4)
#4497EB 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) | #719CEE | 0.046 |
| Deuteranopia (no green cones) | #588CE9 | 0.031 |
| Tritanopia (no blue cones) | #00ABB6 | 0.113 |
| Achromatopsia (no color) | #939393 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4497EB
#4497EB
oklch(66.4% 0.149 251.3)
- #C98200
#C98200
oklch(66.4% 0.143 71.3)
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 #4497EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.009
- Dark Sky Blue #448EE4 ΔE 0.025
- Cornflower Blue #6495ED ΔE 0.028
- Dodger Blue #1E90FF ΔE 0.043
- Soft Blue #6488EA ΔE 0.045
- Water Blue #0E87CC ΔE 0.070
- Faded Blue #658CBB ΔE 0.074
- Perrywinkle #8F8CE7 ΔE 0.082
Use #4497EB 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.