#6697AA
Closest named color: Cadet Blue (#5F9EA0). oklch(64.9% 0.06 224.3), rgb(102, 151, 170).
Aa
Black text reads best on this color (6.57:1).
About this color
#6697AA is a medium-light, muted teal or cyan. In OKLCH its lightness is 65%, its chroma 0.060 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.030 away. Black text reads best on it, at 6.57:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #6697AA |
| RGB | rgb(102, 151, 170) |
| HSL | hsl(197, 29%, 53%) |
| OKLCH | oklch(64.9% 0.06 224.3) |
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 #6697AA | 3.19:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #6697AA | 6.57:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #6697AA text on white | 3.19:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #6697AA text on black | 6.57:1 | AA | Lc -42.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ADC5CF
oklch(80.9% 0.03 224.8)
-
Step 400
400
#82A7B6
oklch(70.6% 0.046 224.7)
-
Step 500
500 (this color)
#6697AA
oklch(64.9% 0.06 224.3)
-
Step 600
600
#467C90
oklch(55.7% 0.065 224.1)
-
Step 700
700
#37687A
oklch(49% 0.06 224.1)
-
Step 800
800
#2E5563
oklch(42.7% 0.05 223.4)
-
Step 900
900
#2A4651
oklch(37.7% 0.039 224.9)
-
Step 950
950
#19292F
oklch(26.9% 0.024 223.4)
#6697AA 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) | #8C95AB | 0.047 |
| Deuteranopia (no green cones) | #828DAA | 0.042 |
| Tritanopia (no blue cones) | #4B9D9D | 0.040 |
| Achromatopsia (no color) | #909090 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6697AA
#6697AA
oklch(64.9% 0.06 224.3)
- #AE8471
#AE8471
oklch(64.9% 0.059 45.5)
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 #6697AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.030
- Blue Grey #758DA3 ΔE 0.030
- Silver Lake Blue #778DA9 ΔE 0.033
- Greyblue #77A1B5 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.044
- Faded Blue #658CBB ΔE 0.047
- Cool Gray #8D99AE ΔE 0.050
- Steel #738595 ΔE 0.052
Use #6697AA 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.