#649CDF
Closest named color: Cornflower Blue (#6495ED). oklch(68.2% 0.116 253.7), rgb(100, 156, 223).
Aa
Black text reads best on this color (7.36:1).
About this color
#649CDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.116 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.031 away. Black text reads best on it, at 7.36:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.36:1 |
| White text | 2.85:1 |
Values
| HEX | #649CDF |
| RGB | rgb(100, 156, 223) |
| HSL | hsl(213, 66%, 63%) |
| OKLCH | oklch(68.2% 0.116 253.7) |
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 #649CDF | 2.85:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #649CDF | 7.36:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #649CDF text on white | 2.85:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #649CDF text on black | 7.36:1 | AAA | Lc -47.3 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C7DBF4
oklch(88.4% 0.041 254)
-
Step 300
300
#A0C4EF
oklch(80.9% 0.072 253.1)
-
Step 400
400 (this color)
#649CDF
oklch(68.2% 0.116 253.7)
-
Step 500
500
#418BE0
oklch(63% 0.148 253.8)
-
Step 600
600
#1B73CE
oklch(55.5% 0.161 253.8)
-
Step 700
700
#0A60B2
oklch(49% 0.149 253.7)
-
Step 800
800
#0F4F90
oklch(42.7% 0.123 253.6)
-
Step 900
900
#164273
oklch(37.7% 0.097 253.8)
-
Step 950
950
#0E2743
oklch(26.9% 0.061 253.2)
#649CDF 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) | #81A0E2 | 0.036 |
| Deuteranopia (no green cones) | #7194DE | 0.024 |
| Tritanopia (no blue cones) | #08ABB4 | 0.101 |
| Achromatopsia (no color) | #999999 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649CDF
#649CDF
oklch(68.2% 0.116 253.7)
- #C48D3E
#C48D3E
oklch(68.3% 0.116 73.3)
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 #649CDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.031
- Chefchaouen Blue #4895EF ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.053
- Soft Blue #6488EA ΔE 0.060
- Faded Blue #658CBB ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.066
- Periwinkle Blue #8F99FB ΔE 0.069
- Greyblue #77A1B5 ΔE 0.071
Use #649CDF 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.