#6497E4
Closest named color: Cornflower Blue (#6495ED). oklch(67.4% 0.127 258.4), rgb(100, 151, 228).
Aa
Black text reads best on this color (7.08:1).
About this color
#6497E4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.127 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.016 away. Black text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #6497E4 |
| RGB | rgb(100, 151, 228) |
| HSL | hsl(216, 70%, 64%) |
| OKLCH | oklch(67.4% 0.127 258.4) |
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 #6497E4 | 2.96:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #6497E4 | 7.08:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #6497E4 text on white | 2.96:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #6497E4 text on black | 7.08:1 | AAA | Lc -45.8 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C8DBF7
oklch(88.6% 0.044 258)
-
Step 300
300
#A1C2F4
oklch(80.8% 0.08 258.6)
-
Step 400
400 (this color)
#6497E4
oklch(67.4% 0.127 258.4)
-
Step 500
500
#4688EA
oklch(63.2% 0.162 258.3)
-
Step 600
600
#266FD8
oklch(55.6% 0.176 258.4)
-
Step 700
700
#185CBC
oklch(49.1% 0.165 258.5)
-
Step 800
800
#174C98
oklch(42.8% 0.136 258.4)
-
Step 900
900
#1A4079
oklch(37.7% 0.106 258.6)
-
Step 950
950
#102647
oklch(27% 0.068 258.4)
#6497E4 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) | #789DE7 | 0.029 |
| Deuteranopia (no green cones) | #6790E2 | 0.018 |
| Tritanopia (no blue cones) | #00A8B3 | 0.113 |
| Achromatopsia (no color) | #969696 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6497E4
#6497E4
oklch(67.4% 0.127 258.4)
- #C18C27
#C18C27
oklch(67.5% 0.128 78.6)
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 #6497E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.016
- Chefchaouen Blue #4895EF ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.041
- Soft Blue #6488EA ΔE 0.043
- Perrywinkle #8F8CE7 ΔE 0.058
- Faded Blue #658CBB ΔE 0.063
- Periwinkle Blue #8F99FB ΔE 0.064
- Dodger Blue #1E90FF ΔE 0.068
Use #6497E4 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.