#6191EC
Closest named color: Cornflower Blue (#6495ED). oklch(66.4% 0.146 262.1), rgb(97, 145, 236).
Aa
Black text reads best on this color (6.76:1).
About this color
#6191EC is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.146 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.011 away. Black text reads best on it, at 6.76:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.76:1 |
| White text | 3.10:1 |
Values
| HEX | #6191EC |
| RGB | rgb(97, 145, 236) |
| HSL | hsl(219, 79%, 65%) |
| OKLCH | oklch(66.4% 0.146 262.1) |
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 #6191EC | 3.10:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #6191EC | 6.76:1 | AA | Lc 46.3 | Large or bold text, headings |
| #6191EC text on white | 3.10:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #6191EC text on black | 6.76:1 | AA | Lc -44.0 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF4
oklch(88.5% 0.039 261.5)
-
Step 300
300
#A8C1EF
oklch(80.8% 0.071 262.5)
-
Step 400
400
#79A0E8
oklch(70.7% 0.115 262.1)
-
Step 500
500 (this color)
#6191EC
oklch(66.4% 0.146 262.1)
-
Step 600
600
#3D6ECF
oklch(55.5% 0.159 262.3)
-
Step 700
700
#2F5CB3
oklch(49.2% 0.147 262)
-
Step 800
800
#284B91
oklch(42.6% 0.123 262.4)
-
Step 900
900
#254073
oklch(37.8% 0.093 261.9)
-
Step 950
950
#162644
oklch(27.2% 0.06 262)
#6191EC 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) | #6A99F0 | 0.025 |
| Deuteranopia (no green cones) | #578CEA | 0.018 |
| Tritanopia (no blue cones) | #00A5B3 | 0.126 |
| Achromatopsia (no color) | #929292 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6191EC
#6191EC
oklch(66.4% 0.146 262.1)
- #BD8A00
#BD8A00
oklch(66.5% 0.137 82.3)
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 #6191EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.011
- Chefchaouen Blue #4895EF ΔE 0.023
- Soft Blue #6488EA ΔE 0.023
- Dark Sky Blue #448EE4 ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.053
- Perrywinkle #8F8CE7 ΔE 0.056
- Lavender Blue #8B88F8 ΔE 0.059
- Cornflower #6A79F7 ΔE 0.065
Use #6191EC 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.