#689ACE
Closest named color: Faded Blue (#658CBB). oklch(67.2% 0.094 250.3), rgb(104, 154, 206).
Aa
Black text reads best on this color (7.10:1).
About this color
#689ACE is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.094 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.043 away. Black text reads best on it, at 7.10:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #689ACE |
| RGB | rgb(104, 154, 206) |
| HSL | hsl(211, 51%, 61%) |
| OKLCH | oklch(67.2% 0.094 250.3) |
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 #689ACE | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #689ACE | 7.10:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #689ACE text on white | 2.95:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #689ACE text on black | 7.10:1 | 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
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A5C4E6
oklch(80.9% 0.059 250.9)
-
Step 400
400 (this color)
#689ACE
oklch(67.2% 0.094 250.3)
-
Step 500
500
#4C8ECF
oklch(63.2% 0.119 249.9)
-
Step 600
600
#2C76BD
oklch(55.6% 0.132 250.8)
-
Step 700
700
#1D63A3
oklch(49.1% 0.123 250.5)
-
Step 800
800
#1B5184
oklch(42.7% 0.102 250.5)
-
Step 900
900
#1D446A
oklch(37.8% 0.079 250.2)
-
Step 950
950
#12283E
oklch(27.1% 0.05 250.2)
#689ACE 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) | #859CD0 | 0.036 |
| Deuteranopia (no green cones) | #7892CD | 0.026 |
| Tritanopia (no blue cones) | #37A6AC | 0.081 |
| Achromatopsia (no color) | #969696 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689ACE
#689ACE
oklch(67.2% 0.094 250.3)
- #BB8B52
#BB8B52
oklch(67.1% 0.094 69.8)
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 #689ACE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.043
- Greyblue #77A1B5 ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.052
- Silver Lake Blue #778DA9 ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.061
- Cool Gray #8D99AE ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.063
- Bluey Grey #89A0B0 ΔE 0.064
Use #689ACE 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.