#64A7CA
Closest named color: Greyblue (#77A1B5). oklch(69.7% 0.085 232.6), rgb(100, 167, 202).
Aa
Black text reads best on this color (7.92:1).
About this color
#64A7CA is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.085 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.034 away. Black text reads best on it, at 7.92:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.92:1 |
| White text | 2.65:1 |
Values
| HEX | #64A7CA |
| RGB | rgb(100, 167, 202) |
| HSL | hsl(201, 49%, 59%) |
| OKLCH | oklch(69.7% 0.085 232.6) |
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 #64A7CA | 2.65:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #64A7CA | 7.92:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #64A7CA text on white | 2.65:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #64A7CA text on black | 7.92:1 | AAA | Lc -50.4 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DE
oklch(80.9% 0.054 233.5)
-
Step 400
400 (this color)
#64A7CA
oklch(69.7% 0.085 232.6)
-
Step 500
500
#3594C0
oklch(63% 0.109 232.5)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#0D4861
oklch(37.8% 0.071 232.1)
-
Step 950
950
#0B2A39
oklch(27% 0.045 233.1)
#64A7CA 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) | #96A5CC | 0.058 |
| Deuteranopia (no green cones) | #889AC9 | 0.050 |
| Tritanopia (no blue cones) | #2CB0B2 | 0.064 |
| Achromatopsia (no color) | #9F9F9F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A7CA
#64A7CA
oklch(69.7% 0.085 232.6)
- #C88F6B
#C88F6B
oklch(69.7% 0.085 53.1)
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 #64A7CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.034
- Bluegrey #85A3B2 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.054
- Cool Gray #8D99AE ΔE 0.061
- Cadet Blue #5F9EA0 ΔE 0.063
- Cool Steel #97A7B3 ΔE 0.065
- Cool Grey #95A3A6 ΔE 0.071
Use #64A7CA 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.