#4F97EC
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.9% 0.146 254), rgb(79, 151, 236).
Aa
Black text reads best on this color (6.97:1).
About this color
#4F97EC is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.146 and its hue 254°. 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 6.97:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.97:1 |
| White text | 3.01:1 |
Values
| HEX | #4F97EC |
| RGB | rgb(79, 151, 236) |
| HSL | hsl(212, 81%, 62%) |
| OKLCH | oklch(66.9% 0.146 254) |
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 #4F97EC | 3.01:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #4F97EC | 6.97:1 | AA | Lc 47.5 | Large or bold text, headings |
| #4F97EC text on white | 3.01:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #4F97EC text on black | 6.97:1 | AA | Lc -45.2 | 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 500.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF4
oklch(88.5% 0.04 255.3)
-
Step 300
300
#A1C4EF
oklch(81% 0.072 253.8)
-
Step 400
400
#6DA4E6
oklch(70.8% 0.113 253.7)
-
Step 500
500 (this color)
#4F97EC
oklch(66.9% 0.146 254)
-
Step 600
600
#1F73CD
oklch(55.6% 0.159 254.1)
-
Step 700
700
#1060B1
oklch(49.1% 0.147 254)
-
Step 800
800
#124F90
oklch(42.8% 0.123 254.1)
-
Step 900
900
#184273
oklch(37.7% 0.096 254.4)
-
Step 950
950
#0F2743
oklch(27% 0.06 253.9)
#4F97EC 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) | #719DEF | 0.039 |
| Deuteranopia (no green cones) | #5B8EEA | 0.024 |
| Tritanopia (no blue cones) | #00ABB6 | 0.116 |
| Achromatopsia (no color) | #959595 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F97EC
#4F97EC
oklch(66.9% 0.146 254)
- #C88500
#C88500
oklch(66.9% 0.142 73.7)
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 #4F97EC, 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 0.020
- Dark Sky Blue #448EE4 ΔE 0.029
- Soft Blue #6488EA ΔE 0.041
- Dodger Blue #1E90FF ΔE 0.047
- Faded Blue #658CBB ΔE 0.074
- Perrywinkle #8F8CE7 ΔE 0.074
- Water Blue #0E87CC ΔE 0.076
Use #4F97EC 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.