#689BC9
Closest named color: Greyblue (#77A1B5). oklch(67.2% 0.088 246.7), rgb(104, 155, 201).
Aa
Black text reads best on this color (7.12:1).
About this color
#689BC9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.088 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.042 away. Black text reads best on it, at 7.12:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.12:1 |
| White text | 2.94:1 |
Values
| HEX | #689BC9 |
| RGB | rgb(104, 155, 201) |
| HSL | hsl(208, 47%, 60%) |
| OKLCH | oklch(67.2% 0.088 246.7) |
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 #689BC9 | 2.94:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #689BC9 | 7.12:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #689BC9 text on white | 2.94:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #689BC9 text on black | 7.12:1 | AAA | Lc -45.9 | 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
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADCED
oklch(88.6% 0.03 246.6)
-
Step 300
300
#A5C5E3
oklch(81% 0.055 246.8)
-
Step 400
400 (this color)
#689BC9
oklch(67.2% 0.088 246.7)
-
Step 500
500
#4B8FC9
oklch(63.1% 0.112 246.5)
-
Step 600
600
#2B78B6
oklch(55.6% 0.122 246.9)
-
Step 700
700
#1C659D
oklch(49.2% 0.113 246.6)
-
Step 800
800
#1A527F
oklch(42.6% 0.094 247)
-
Step 900
900
#1D4566
oklch(37.8% 0.072 246.2)
-
Step 950
950
#12283C
oklch(26.9% 0.047 247.8)
#689BC9 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) | #889CCB | 0.039 |
| Deuteranopia (no green cones) | #7B92C8 | 0.031 |
| Tritanopia (no blue cones) | #3BA6AB | 0.074 |
| Achromatopsia (no color) | #969696 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689BC9
#689BC9
oklch(67.2% 0.088 246.7)
- #BA8B59
#BA8B59
oklch(67.1% 0.088 67.1)
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 #689BC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.042
- Faded Blue #658CBB ΔE 0.043
- Silver Lake Blue #778DA9 ΔE 0.053
- Cool Gray #8D99AE ΔE 0.056
- Bluegrey #85A3B2 ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.058
- Blue Grey #758DA3 ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.061
Use #689BC9 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.