#649BE6
Closest named color: Cornflower Blue (#6495ED). oklch(68.4% 0.126 256.5), rgb(100, 155, 230).
Aa
Black text reads best on this color (7.37:1).
About this color
#649BE6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.126 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.021 away. Black text reads best on it, at 7.37:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.37:1 |
| White text | 2.84:1 |
Values
| HEX | #649BE6 |
| RGB | rgb(100, 155, 230) |
| HSL | hsl(215, 72%, 65%) |
| OKLCH | oklch(68.4% 0.126 256.5) |
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 #649BE6 | 2.84:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #649BE6 | 7.37:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #649BE6 text on white | 2.84:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #649BE6 text on black | 7.37:1 | AAA | Lc -47.4 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF6
oklch(88.5% 0.043 255.9)
-
Step 300
300
#A0C3F4
oklch(80.9% 0.079 256.8)
-
Step 400
400 (this color)
#649BE6
oklch(68.4% 0.126 256.5)
-
Step 500
500
#4189E8
oklch(63.1% 0.16 256.4)
-
Step 600
600
#1D70D7
oklch(55.6% 0.176 256.7)
-
Step 700
700
#0D5DBA
oklch(49% 0.163 256.6)
-
Step 800
800
#104D96
oklch(42.7% 0.134 256.2)
-
Step 900
900
#164178
oklch(37.8% 0.105 256.3)
-
Step 950
950
#0E2646
oklch(26.9% 0.067 256.5)
#649BE6 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) | #7CA0E9 | 0.032 |
| Deuteranopia (no green cones) | #6C93E4 | 0.021 |
| Tritanopia (no blue cones) | #00ACB6 | 0.111 |
| Achromatopsia (no color) | #999999 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649BE6
#649BE6
oklch(68.4% 0.126 256.5)
- #C58E2F
#C58E2F
oklch(68.4% 0.126 76.8)
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 #649BE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.021
- Chefchaouen Blue #4895EF ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.049
- Soft Blue #6488EA ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.062
- Faded Blue #658CBB ΔE 0.068
- Dodger Blue #1E90FF ΔE 0.072
Use #649BE6 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.