#659BD2
Closest named color: Faded Blue (#658CBB). oklch(67.4% 0.1 249.9), rgb(101, 155, 210).
Aa
Black text reads best on this color (7.17:1).
About this color
#659BD2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.100 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.047 away. Black text reads best on it, at 7.17:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #659BD2 |
| RGB | rgb(101, 155, 210) |
| HSL | hsl(210, 55%, 61%) |
| OKLCH | oklch(67.4% 0.1 249.9) |
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 #659BD2 | 2.92:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #659BD2 | 7.17:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #659BD2 text on white | 2.92:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #659BD2 text on black | 7.17:1 | AAA | Lc -46.2 | 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
#C8DBF0
oklch(88.4% 0.036 250.9)
-
Step 300
300
#A2C4E8
oklch(80.8% 0.063 250.1)
-
Step 400
400 (this color)
#659BD2
oklch(67.4% 0.1 249.9)
-
Step 500
500
#468ED3
oklch(63.2% 0.127 249.7)
-
Step 600
600
#2276C1
oklch(55.5% 0.14 250.2)
-
Step 700
700
#1363A6
oklch(49.1% 0.129 249.9)
-
Step 800
800
#145187
oklch(42.7% 0.108 250.1)
-
Step 900
900
#19446C
oklch(37.8% 0.083 249.6)
-
Step 950
950
#10283F
oklch(27% 0.053 249.5)
#659BD2 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) | #859DD4 | 0.038 |
| Deuteranopia (no green cones) | #7792D1 | 0.029 |
| Tritanopia (no blue cones) | #2AA8AE | 0.087 |
| Achromatopsia (no color) | #979797 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #659BD2
#659BD2
oklch(67.4% 0.1 249.9)
- #BE8B4E
#BE8B4E
oklch(67.4% 0.1 69.7)
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 #659BD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.047
- Greyblue #77A1B5 ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.060
- Silver Lake Blue #778DA9 ΔE 0.064
- Cool Gray #8D99AE ΔE 0.068
- Bluegrey #85A3B2 ΔE 0.068
Use #659BD2 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.