#689DCB
Closest named color: Greyblue (#77A1B5). oklch(67.7% 0.089 245.8), rgb(104, 157, 203).
Aa
Black text reads best on this color (7.27:1).
About this color
#689DCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.089 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.041 away. Black text reads best on it, at 7.27:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #689DCB |
| RGB | rgb(104, 157, 203) |
| HSL | hsl(208, 49%, 60%) |
| OKLCH | oklch(67.7% 0.089 245.8) |
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 #689DCB | 2.88:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #689DCB | 7.27:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #689DCB text on white | 2.88:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #689DCB text on black | 7.27:1 | AAA | Lc -46.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A4C5E3
oklch(80.9% 0.055 246)
-
Step 400
400 (this color)
#689DCB
oklch(67.7% 0.089 245.8)
-
Step 500
500
#498FCA
oklch(63% 0.114 246.3)
-
Step 600
600
#2679B6
oklch(55.7% 0.122 245.3)
-
Step 700
700
#17659D
oklch(49% 0.115 245.8)
-
Step 800
800
#17537F
oklch(42.7% 0.094 245.3)
-
Step 900
900
#1B4566
oklch(37.8% 0.073 245.3)
-
Step 950
950
#11283C
oklch(26.9% 0.047 246.9)
#689DCB 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) | #8A9ECD | 0.041 |
| Deuteranopia (no green cones) | #7D93CA | 0.034 |
| Tritanopia (no blue cones) | #39A8AD | 0.074 |
| Achromatopsia (no color) | #989898 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689DCB
#689DCB
oklch(67.7% 0.089 245.8)
- #BD8C5B
#BD8C5B
oklch(67.7% 0.088 65.4)
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 #689DCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.041
- Faded Blue #658CBB ΔE 0.049
- Bluegrey #85A3B2 ΔE 0.056
- Bluey Grey #89A0B0 ΔE 0.057
- Cool Gray #8D99AE ΔE 0.057
- Silver Lake Blue #778DA9 ΔE 0.058
- Cornflower Blue #6495ED ΔE 0.061
- Blue Grey #758DA3 ΔE 0.064
Use #689DCB 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.