#649ACF
Closest named color: Faded Blue (#658CBB). oklch(67% 0.098 249), rgb(100, 154, 207).
Aa
Black text reads best on this color (7.06:1).
About this color
#649ACF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.098 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.043 away. Black text reads best on it, at 7.06:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.06:1 |
| White text | 2.97:1 |
Values
| HEX | #649ACF |
| RGB | rgb(100, 154, 207) |
| HSL | hsl(210, 53%, 60%) |
| OKLCH | oklch(67% 0.098 249) |
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 #649ACF | 2.97:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #649ACF | 7.06:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #649ACF text on white | 2.97:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #649ACF text on black | 7.06:1 | AAA | Lc -45.6 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DCEF
oklch(88.6% 0.033 248.2)
-
Step 300
300
#A3C5E7
oklch(81% 0.061 248.6)
-
Step 400
400 (this color)
#649ACF
oklch(67% 0.098 249)
-
Step 500
500
#468ED1
oklch(63.1% 0.125 249)
-
Step 600
600
#2277BF
oklch(55.6% 0.136 249)
-
Step 700
700
#1364A4
oklch(49.2% 0.125 248.6)
-
Step 800
800
#155285
oklch(42.8% 0.104 248.7)
-
Step 900
900
#19446B
oklch(37.7% 0.082 249.1)
-
Step 950
950
#10283E
oklch(27% 0.051 248.4)
#649ACF 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) | #849CD1 | 0.038 |
| Deuteranopia (no green cones) | #7691CE | 0.030 |
| Tritanopia (no blue cones) | #2AA6AC | 0.084 |
| Achromatopsia (no color) | #969696 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649ACF
#649ACF
oklch(67% 0.098 249)
- #BC8A4F
#BC8A4F
oklch(67% 0.098 69.4)
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 #649ACF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.043
- Cornflower Blue #6495ED ΔE 0.051
- Greyblue #77A1B5 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.060
- Cool Gray #8D99AE ΔE 0.066
- Blue Grey #758DA3 ΔE 0.066
Use #649ACF 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.