#679FDB
Closest named color: Cornflower Blue (#6495ED). oklch(68.8% 0.107 251.2), rgb(103, 159, 219).
Aa
Black text reads best on this color (7.55:1).
About this color
#679FDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.107 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.043 away. Black text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #679FDB |
| RGB | rgb(103, 159, 219) |
| HSL | hsl(211, 62%, 63%) |
| OKLCH | oklch(68.8% 0.107 251.2) |
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 #679FDB | 2.77:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #679FDB | 7.55:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #679FDB text on white | 2.77:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #679FDB text on black | 7.55:1 | AAA | Lc -48.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A1C4EB
oklch(80.8% 0.067 251.4)
-
Step 400
400 (this color)
#679FDB
oklch(68.8% 0.107 251.2)
-
Step 500
500
#428DD9
oklch(63.1% 0.137 251.1)
-
Step 600
600
#1C75C6
oklch(55.5% 0.149 251.2)
-
Step 700
700
#0C62AB
oklch(49% 0.138 251.2)
-
Step 800
800
#10508B
oklch(42.6% 0.115 251.5)
-
Step 900
900
#17436F
oklch(37.7% 0.089 251.5)
-
Step 950
950
#0F2841
oklch(27.1% 0.056 250.6)
#679FDB 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) | #87A1DE | 0.038 |
| Deuteranopia (no green cones) | #7896DA | 0.028 |
| Tritanopia (no blue cones) | #23ADB4 | 0.093 |
| Achromatopsia (no color) | #9B9B9B | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #679FDB
#679FDB
oklch(68.8% 0.107 251.2)
- #C48F4B
#C48F4B
oklch(68.8% 0.107 71.2)
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 #679FDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.043
- Chefchaouen Blue #4895EF ΔE 0.054
- Greyblue #77A1B5 ΔE 0.060
- Faded Blue #658CBB ΔE 0.063
- Dark Sky Blue #448EE4 ΔE 0.064
- Soft Blue #6488EA ΔE 0.071
- Perrywinkle #8F8CE7 ΔE 0.072
- Bluegrey #85A3B2 ΔE 0.072
Use #679FDB 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.