#4397F5
Closest named color: Chefchaouen Blue (#4895EF). oklch(67% 0.162 253.5), rgb(67, 151, 245).
Aa
Black text reads best on this color (6.98:1).
About this color
#4397F5 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.162 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.010 away. Black text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #4397F5 |
| RGB | rgb(67, 151, 245) |
| HSL | hsl(212, 90%, 61%) |
| OKLCH | oklch(67% 0.162 253.5) |
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 #4397F5 | 3.00:1 | AA large text | Lc -61.7 | Content text, not long reading |
| Black text on #4397F5 | 6.98:1 | AA | Lc 47.7 | Large or bold text, headings |
| #4397F5 text on white | 3.00:1 | AA large text | Lc 56.4 | Large or bold text, headings |
| #4397F5 text on black | 6.98:1 | AA | Lc -45.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#DDEBFE
oklch(93.5% 0.03 256)
-
Step 200
200
#C0DCFE
oklch(88.5% 0.056 253.4)
-
Step 300
300
#94C4FF
oklch(80.8% 0.098 254)
-
Step 400
400 (this color)
#4397F5
oklch(67% 0.162 253.5)
-
Step 500
500
#0088FC
oklch(63% 0.198 253.6)
-
Step 600
600
#0072D5
oklch(55.5% 0.175 253.6)
-
Step 700
700
#0060B4
oklch(49.1% 0.153 253.4)
-
Step 800
800
#004E95
oklch(42.6% 0.134 253.6)
-
Step 900
900
#00417E
oklch(37.7% 0.118 253.6)
-
Step 950
950
#00264E
oklch(27% 0.085 253.5)
#4397F5 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) | #6B9EF9 | 0.043 |
| Deuteranopia (no green cones) | #4F8DF3 | 0.026 |
| Tritanopia (no blue cones) | #00ADBA | 0.123 |
| Achromatopsia (no color) | #959595 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4397F5
#4397F5
oklch(67% 0.162 253.5)
- #C98500
#C98500
oklch(67% 0.143 73.2)
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 #4397F5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.010
- Cornflower Blue #6495ED ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.034
- Soft Blue #6488EA ΔE 0.045
- Water Blue #0E87CC ΔE 0.079
- Cornflower #6A79F7 ΔE 0.080
- Periwinkle Blue #8F99FB ΔE 0.081
Use #4397F5 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.