#649DDA
Closest named color: Cornflower Blue (#6495ED). oklch(68.2% 0.109 251.2), rgb(100, 157, 218).
Aa
Black text reads best on this color (7.37:1).
About this color
#649DDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.109 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.040 away. Black text reads best on it, at 7.37:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.37:1 |
| White text | 2.84:1 |
Values
| HEX | #649DDA |
| RGB | rgb(100, 157, 218) |
| HSL | hsl(211, 61%, 62%) |
| OKLCH | oklch(68.2% 0.109 251.2) |
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 #649DDA | 2.84:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #649DDA | 7.37:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #649DDA text on white | 2.84:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #649DDA 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C7DBF2
oklch(88.4% 0.038 251.9)
-
Step 300
300
#A1C4EC
oklch(80.9% 0.068 252)
-
Step 400
400 (this color)
#649DDA
oklch(68.2% 0.109 251.2)
-
Step 500
500
#408DDA
oklch(63.1% 0.139 251)
-
Step 600
600
#1975C8
oklch(55.6% 0.152 251.4)
-
Step 700
700
#0662AD
oklch(49.1% 0.141 251.3)
-
Step 800
800
#0E508C
oklch(42.6% 0.117 251.5)
-
Step 900
900
#164370
oklch(37.7% 0.091 251.6)
-
Step 950
950
#0E2841
oklch(27.1% 0.057 249.9)
#649DDA 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) | #84A0DD | 0.039 |
| Deuteranopia (no green cones) | #7594D9 | 0.028 |
| Tritanopia (no blue cones) | #17ABB2 | 0.095 |
| Achromatopsia (no color) | #999999 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649DDA
#649DDA
oklch(68.2% 0.109 251.2)
- #C38D47
#C38D47
oklch(68.2% 0.109 71.3)
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 #649DDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.040
- Chefchaouen Blue #4895EF ΔE 0.050
- Faded Blue #658CBB ΔE 0.058
- Dark Sky Blue #448EE4 ΔE 0.058
- Greyblue #77A1B5 ΔE 0.062
- Soft Blue #6488EA ΔE 0.066
- Perrywinkle #8F8CE7 ΔE 0.071
- Periwinkle Blue #8F99FB ΔE 0.075
Use #649DDA 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.