#689FEE
Closest named color: Cornflower Blue (#6495ED). oklch(69.8% 0.131 257.5), rgb(104, 159, 238).
Aa
Black text reads best on this color (7.78:1).
About this color
#689FEE is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.131 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.028 away. Black text reads best on it, at 7.78:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.78:1 |
| White text | 2.69:1 |
Values
| HEX | #689FEE |
| RGB | rgb(104, 159, 238) |
| HSL | hsl(215, 80%, 67%) |
| OKLCH | oklch(69.8% 0.131 257.5) |
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 #689FEE | 2.69:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #689FEE | 7.78:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #689FEE text on white | 2.69:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #689FEE text on black | 7.78:1 | AAA | Lc -49.7 | 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
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300
#A0C3F6
oklch(81% 0.082 257.7)
-
Step 400
400 (this color)
#689FEE
oklch(69.8% 0.131 257.5)
-
Step 500
500
#4188EC
oklch(63.1% 0.167 257.5)
-
Step 600
600
#1D6FDA
oklch(55.6% 0.181 257.5)
-
Step 700
700
#0D5CBE
oklch(49.1% 0.17 257.6)
-
Step 800
800
#104C99
oklch(42.7% 0.139 257.3)
-
Step 900
900
#16407A
oklch(37.7% 0.109 257.5)
-
Step 950
950
#0E2647
oklch(27% 0.068 257.1)
#689FEE 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) | #7FA4F1 | 0.030 |
| Deuteranopia (no green cones) | #6D98EC | 0.018 |
| Tritanopia (no blue cones) | #00B1BC | 0.115 |
| Achromatopsia (no color) | #9D9D9D | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689FEE
#689FEE
oklch(69.8% 0.131 257.5)
- #CA922D
#CA922D
oklch(69.8% 0.13 77.6)
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 #689FEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.028
- Chefchaouen Blue #4895EF ΔE 0.043
- Periwinkle Blue #8F99FB ΔE 0.053
- Soft Blue #6488EA ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.062
- Lavender Blue #8B88F8 ΔE 0.073
- Dodger Blue #1E90FF ΔE 0.076
Use #689FEE 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.