#649FDE
Closest named color: Cornflower Blue (#6495ED). oklch(68.8% 0.112 251.2), rgb(100, 159, 222).
Aa
Black text reads best on this color (7.55:1).
About this color
#649FDE is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.112 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.039 away. Black text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #649FDE |
| RGB | rgb(100, 159, 222) |
| HSL | hsl(211, 65%, 63%) |
| OKLCH | oklch(68.8% 0.112 251.2) |
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 #649FDE | 2.77:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #649FDE | 7.55:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #649FDE text on white | 2.77:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #649FDE text on black | 7.55:1 | AAA | Lc -48.4 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF3
oklch(88.6% 0.039 250.7)
-
Step 300
300
#A0C4ED
oklch(80.8% 0.07 252)
-
Step 400
400 (this color)
#649FDE
oklch(68.8% 0.112 251.2)
-
Step 500
500
#3D8DDD
oklch(63.2% 0.144 251.2)
-
Step 600
600
#1175CA
oklch(55.6% 0.156 251.1)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#08508E
oklch(42.7% 0.121 251.4)
-
Step 900
900
#134371
oklch(37.7% 0.094 251.1)
-
Step 950
950
#0D2842
oklch(27.1% 0.059 250.2)
#649FDE 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) | #85A2E1 | 0.039 |
| Deuteranopia (no green cones) | #7596DD | 0.028 |
| Tritanopia (no blue cones) | #09ADB5 | 0.097 |
| Achromatopsia (no color) | #9B9B9B | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649FDE
#649FDE
oklch(68.8% 0.112 251.2)
- #C68E46
#C68E46
oklch(68.8% 0.112 70.9)
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 #649FDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.039
- Chefchaouen Blue #4895EF ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.061
- Faded Blue #658CBB ΔE 0.065
- Greyblue #77A1B5 ΔE 0.065
- Soft Blue #6488EA ΔE 0.068
- Periwinkle Blue #8F99FB ΔE 0.071
- Perrywinkle #8F8CE7 ΔE 0.072
Use #649FDE 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.