#499BEB
Closest named color: Chefchaouen Blue (#4895EF). oklch(67.5% 0.143 250.3), rgb(73, 155, 235).
Aa
Black text reads best on this color (7.17:1).
About this color
#499BEB is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.143 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.019 away. Black text reads best on it, at 7.17:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #499BEB |
| RGB | rgb(73, 155, 235) |
| HSL | hsl(210, 80%, 60%) |
| OKLCH | oklch(67.5% 0.143 250.3) |
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 #499BEB | 2.92:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #499BEB | 7.17:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #499BEB text on white | 2.92:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #499BEB text on black | 7.17:1 | AAA | Lc -46.4 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200
#C1DCFA
oklch(88.4% 0.051 251.1)
-
Step 300
300
#95C5F9
oklch(80.9% 0.09 251)
-
Step 400
400 (this color)
#499BEB
oklch(67.5% 0.143 250.3)
-
Step 500
500
#008CF1
oklch(63.1% 0.18 250.4)
-
Step 600
600
#0075CB
oklch(55.5% 0.159 250.4)
-
Step 700
700
#0062AC
oklch(49% 0.141 250.5)
-
Step 800
800
#00508E
oklch(42.6% 0.122 250.5)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950
#012749
oklch(26.9% 0.075 250.4)
#499BEB 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) | #779FEE | 0.047 |
| Deuteranopia (no green cones) | #6090E9 | 0.032 |
| Tritanopia (no blue cones) | #00AEB8 | 0.109 |
| Achromatopsia (no color) | #979797 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #499BEB
#499BEB
oklch(67.5% 0.143 250.3)
- #CD850C
#CD850C
oklch(67.5% 0.143 70.8)
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 #499BEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.019
- Cornflower Blue #6495ED ΔE 0.027
- Dark Sky Blue #448EE4 ΔE 0.036
- Soft Blue #6488EA ΔE 0.052
- Dodger Blue #1E90FF ΔE 0.053
- Faded Blue #658CBB ΔE 0.075
- Water Blue #0E87CC ΔE 0.079
- Periwinkle Blue #8F99FB ΔE 0.080
Use #499BEB 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.