#649EC0
Closest named color: Greyblue (#77A1B5). oklch(67.3% 0.079 235.4), rgb(100, 158, 192).
Aa
Black text reads best on this color (7.19:1).
About this color
#649EC0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.079 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.029 away. Black text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.19:1 |
| White text | 2.91:1 |
Values
| HEX | #649EC0 |
| RGB | rgb(100, 158, 192) |
| HSL | hsl(202, 42%, 57%) |
| OKLCH | oklch(67.3% 0.079 235.4) |
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 #649EC0 | 2.91:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #649EC0 | 7.19:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #649EC0 text on white | 2.91:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #649EC0 text on black | 7.19:1 | AAA | Lc -46.3 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DCE9
oklch(88.4% 0.027 237.6)
-
Step 300
300
#A3C6DC
oklch(80.8% 0.049 235.8)
-
Step 400
400 (this color)
#649EC0
oklch(67.3% 0.079 235.4)
-
Step 500
500
#4493BE
oklch(63.2% 0.101 235.3)
-
Step 600
600
#1C7CAA
oklch(55.5% 0.11 235.6)
-
Step 700
700
#096992
oklch(49.2% 0.102 235)
-
Step 800
800
#105576
oklch(42.6% 0.084 235.5)
-
Step 900
900
#174760
oklch(37.8% 0.066 235.3)
-
Step 950
950
#0F2A38
oklch(27.1% 0.042 233.9)
#649EC0 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) | #8E9DC2 | 0.050 |
| Deuteranopia (no green cones) | #8193BF | 0.042 |
| Tritanopia (no blue cones) | #38A7A9 | 0.061 |
| Achromatopsia (no color) | #979797 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649EC0
#649EC0
oklch(67.3% 0.079 235.4)
- #BC8966
#BC8966
oklch(67.2% 0.079 55.4)
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 #649EC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.029
- Bluegrey #85A3B2 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.049
- Faded Blue #658CBB ΔE 0.050
- Cadet Blue #5F9EA0 ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.051
- Cool Gray #8D99AE ΔE 0.051
- Blue Grey #758DA3 ΔE 0.055
Use #649EC0 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.