#649BC8
Closest named color: Faded Blue (#658CBB). oklch(66.9% 0.089 244.4), rgb(100, 155, 200).
Aa
Black text reads best on this color (7.06:1).
About this color
#649BC8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.089 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.042 away. Black text reads best on it, at 7.06:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.06:1 |
| White text | 2.97:1 |
Values
| HEX | #649BC8 |
| RGB | rgb(100, 155, 200) |
| HSL | hsl(207, 48%, 59%) |
| OKLCH | oklch(66.9% 0.089 244.4) |
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 #649BC8 | 2.97:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #649BC8 | 7.06:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #649BC8 text on white | 2.97:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #649BC8 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A3C5E3
oklch(80.9% 0.056 245.2)
-
Step 400
400 (this color)
#649BC8
oklch(66.9% 0.089 244.4)
-
Step 500
500
#4690C9
oklch(63.1% 0.113 244.3)
-
Step 600
600
#2279B6
oklch(55.6% 0.124 244.6)
-
Step 700
700
#12669D
oklch(49.2% 0.115 244.4)
-
Step 800
800
#14537F
oklch(42.7% 0.095 244.6)
-
Step 900
900
#194566
oklch(37.7% 0.074 244.5)
-
Step 950
950
#10293C
oklch(27.1% 0.047 243.8)
#649BC8 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) | #889BCA | 0.043 |
| Deuteranopia (no green cones) | #7B91C7 | 0.035 |
| Tritanopia (no blue cones) | #32A6AA | 0.075 |
| Achromatopsia (no color) | #969696 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649BC8
#649BC8
oklch(66.9% 0.089 244.4)
- #BB8959
#BB8959
oklch(66.8% 0.089 64.2)
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 #649BC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.042
- Greyblue #77A1B5 ΔE 0.043
- Silver Lake Blue #778DA9 ΔE 0.053
- Cool Gray #8D99AE ΔE 0.058
- Blue Grey #758DA3 ΔE 0.059
- Bluegrey #85A3B2 ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.062
Use #649BC8 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.