#689BCB
Closest named color: Faded Blue (#658CBB). oklch(67.3% 0.09 247.8), rgb(104, 155, 203).
Aa
Black text reads best on this color (7.13:1).
About this color
#689BCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.090 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.044 away. Black text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #689BCB |
| RGB | rgb(104, 155, 203) |
| HSL | hsl(209, 49%, 60%) |
| OKLCH | oklch(67.3% 0.09 247.8) |
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 #689BCB | 2.94:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #689BCB | 7.13:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #689BCB text on white | 2.94:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #689BCB text on black | 7.13:1 | AAA | Lc -46.0 | 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
#A4C5E4
oklch(81% 0.057 246.9)
-
Step 400
400 (this color)
#689BCB
oklch(67.3% 0.09 247.8)
-
Step 500
500
#4B8FCB
oklch(63.2% 0.114 247.4)
-
Step 600
600
#2A78B8
oklch(55.7% 0.124 247.4)
-
Step 700
700
#1C649F
oklch(49% 0.117 248.2)
-
Step 800
800
#1A5281
oklch(42.7% 0.097 248)
-
Step 900
900
#1C4467
oklch(37.6% 0.075 247.8)
-
Step 950
950
#12283C
oklch(26.9% 0.047 247.8)
#689BCB 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) | #879CCD | 0.037 |
| Deuteranopia (no green cones) | #7B92CA | 0.031 |
| Tritanopia (no blue cones) | #3AA6AB | 0.077 |
| Achromatopsia (no color) | #969696 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689BCB
#689BCB
oklch(67.3% 0.09 247.8)
- #BB8B57
#BB8B57
oklch(67.2% 0.09 67.5)
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 #689BCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.044
- Greyblue #77A1B5 ΔE 0.044
- Silver Lake Blue #778DA9 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.058
- Cool Gray #8D99AE ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.060
- Blue Grey #758DA3 ΔE 0.062
Use #689BCB 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.