#679AEF
Closest named color: Cornflower Blue (#6495ED). oklch(68.8% 0.137 260.1), rgb(103, 154, 239).
Aa
Black text reads best on this color (7.44:1).
About this color
#679AEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.137 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.014 away. Black text reads best on it, at 7.44:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.44:1 |
| White text | 2.82:1 |
Values
| HEX | #679AEF |
| RGB | rgb(103, 154, 239) |
| HSL | hsl(218, 81%, 67%) |
| OKLCH | oklch(68.8% 0.137 260.1) |
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 #679AEF | 2.82:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #679AEF | 7.44:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #679AEF text on white | 2.82:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #679AEF text on black | 7.44:1 | AAA | Lc -47.8 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DAF9
oklch(88.4% 0.048 260.2)
-
Step 300
300
#A1C2F9
oklch(81% 0.086 260.5)
-
Step 400
400 (this color)
#679AEF
oklch(68.8% 0.137 260.1)
-
Step 500
500
#4585F2
oklch(63% 0.177 260.3)
-
Step 600
600
#256CE0
oklch(55.5% 0.191 260)
-
Step 700
700
#1859C3
oklch(49% 0.178 260.2)
-
Step 800
800
#174A9E
oklch(42.8% 0.147 260.1)
-
Step 900
900
#193F7D
oklch(37.8% 0.114 259.8)
-
Step 950
950
#102549
oklch(26.9% 0.072 260.4)
#679AEF 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) | #77A1F2 | 0.027 |
| Deuteranopia (no green cones) | #6594ED | 0.016 |
| Tritanopia (no blue cones) | #00ADB9 | 0.122 |
| Achromatopsia (no color) | #9A9A9A | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #679AEF
#679AEF
oklch(68.8% 0.137 260.1)
- #C79016
#C79016
oklch(68.9% 0.138 80.2)
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 #679AEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.014
- Chefchaouen Blue #4895EF ΔE 0.033
- Soft Blue #6488EA ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.051
- Periwinkle Blue #8F99FB ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.056
- Lavender Blue #8B88F8 ΔE 0.063
- Dodger Blue #1E90FF ΔE 0.067
Use #679AEF 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.