#679ACF
Closest named color: Faded Blue (#658CBB). oklch(67.2% 0.096 250.3), rgb(103, 154, 207).
Aa
Black text reads best on this color (7.09:1).
About this color
#679ACF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.096 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.044 away. Black text reads best on it, at 7.09:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.09:1 |
| White text | 2.95:1 |
Values
| HEX | #679ACF |
| RGB | rgb(103, 154, 207) |
| HSL | hsl(211, 52%, 61%) |
| OKLCH | oklch(67.2% 0.096 250.3) |
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 #679ACF | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #679ACF | 7.09:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #679ACF text on white | 2.95:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #679ACF text on black | 7.09:1 | AAA | Lc -45.8 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A4C4E7
oklch(80.9% 0.061 250.9)
-
Step 400
400 (this color)
#679ACF
oklch(67.2% 0.096 250.3)
-
Step 500
500
#4A8DD1
oklch(63% 0.124 250.7)
-
Step 600
600
#2976BE
oklch(55.5% 0.134 250.5)
-
Step 700
700
#1B63A4
oklch(49.1% 0.125 250.4)
-
Step 800
800
#1A5185
oklch(42.7% 0.103 250.7)
-
Step 900
900
#1C446A
oklch(37.8% 0.079 249.7)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#679ACF 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) | #859CD1 | 0.037 |
| Deuteranopia (no green cones) | #7791CE | 0.028 |
| Tritanopia (no blue cones) | #34A6AC | 0.083 |
| Achromatopsia (no color) | #969696 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #679ACF
#679ACF
oklch(67.2% 0.096 250.3)
- #BC8B50
#BC8B50
oklch(67.2% 0.097 70)
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 #679ACF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.050
- Greyblue #77A1B5 ΔE 0.052
- Silver Lake Blue #778DA9 ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.062
- Cool Gray #8D99AE ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.066
Use #679ACF 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.