#6197EE
Closest named color: Cornflower Blue (#6495ED). oklch(67.8% 0.142 259.5), rgb(97, 151, 238).
Aa
Black text reads best on this color (7.16:1).
About this color
#6197EE is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.142 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.006 away. Black text reads best on it, at 7.16:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.16:1 |
| White text | 2.92:1 |
Values
| HEX | #6197EE |
| RGB | rgb(97, 151, 238) |
| HSL | hsl(217, 81%, 66%) |
| OKLCH | oklch(67.8% 0.142 259.5) |
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 #6197EE | 2.92:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #6197EE | 7.16:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #6197EE text on white | 2.92:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #6197EE text on black | 7.16:1 | AAA | Lc -46.3 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFA
oklch(88.4% 0.049 259.8)
-
Step 300
300
#9FC2FA
oklch(80.9% 0.088 259.7)
-
Step 400
400 (this color)
#6197EE
oklch(67.8% 0.142 259.5)
-
Step 500
500
#4085F5
oklch(63% 0.182 259.7)
-
Step 600
600
#1E6CE4
oklch(55.7% 0.197 259.6)
-
Step 700
700
#0F59C6
oklch(49.1% 0.183 259.5)
-
Step 800
800
#114AA0
oklch(42.8% 0.151 259.4)
-
Step 900
900
#163F7F
oklch(37.8% 0.118 259.3)
-
Step 950
950
#0E254A
oklch(26.9% 0.075 259.5)
#6197EE 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) | #729EF2 | 0.028 |
| Deuteranopia (no green cones) | #5F91EC | 0.016 |
| Tritanopia (no blue cones) | #00ABB7 | 0.123 |
| Achromatopsia (no color) | #979797 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6197EE
#6197EE
oklch(67.8% 0.142 259.5)
- #C58C00
#C58C00
oklch(67.9% 0.141 79.7)
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 #6197EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.006
- Chefchaouen Blue #4895EF ΔE 0.024
- Soft Blue #6488EA ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.041
- Dodger Blue #1E90FF ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.059
- Lavender Blue #8B88F8 ΔE 0.063
Use #6197EE 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.