#4997DF
Closest named color: Chefchaouen Blue (#4895EF). oklch(65.9% 0.132 248.9), rgb(73, 151, 223).
Aa
Black text reads best on this color (6.77:1).
About this color
#4997DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.132 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.026 away. Black text reads best on it, at 6.77:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.77:1 |
| White text | 3.09:1 |
Values
| HEX | #4997DF |
| RGB | rgb(73, 151, 223) |
| HSL | hsl(209, 70%, 58%) |
| OKLCH | oklch(65.9% 0.132 248.9) |
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 #4997DF | 3.09:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #4997DF | 6.77:1 | AA | Lc 46.4 | Large or bold text, headings |
| #4997DF text on white | 3.09:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #4997DF text on black | 6.77:1 | AA | Lc -44.1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#A1C5E9
oklch(81% 0.064 248.6)
-
Step 400
400
#6BA6DE
oklch(70.7% 0.103 248.2)
-
Step 500
500 (this color)
#4997DF
oklch(65.9% 0.132 248.9)
-
Step 600
600
#1777C3
oklch(55.7% 0.144 248.9)
-
Step 700
700
#0363A8
oklch(49% 0.134 249)
-
Step 800
800
#0C5188
oklch(42.6% 0.111 249.1)
-
Step 900
900
#15446D
oklch(37.7% 0.086 248.8)
-
Step 950
950
#0E2840
oklch(27% 0.055 249)
#4997DF 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) | #779AE2 | 0.048 |
| Deuteranopia (no green cones) | #628CDE | 0.034 |
| Tritanopia (no blue cones) | #00A8B1 | 0.100 |
| Achromatopsia (no color) | #929292 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4997DF
#4997DF
oklch(65.9% 0.132 248.9)
- #C68123
#C68123
oklch(66% 0.132 68.7)
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 #4997DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.028
- Cornflower Blue #6495ED ΔE 0.035
- Soft Blue #6488EA ΔE 0.051
- Faded Blue #658CBB ΔE 0.058
- Dodger Blue #1E90FF ΔE 0.059
- Water Blue #0E87CC ΔE 0.063
- Cool Blue #4984B8 ΔE 0.071
Use #4997DF 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.