#6997B5
Closest named color: Silver Lake Blue (#778DA9). oklch(65.5% 0.067 237.7), rgb(105, 151, 181).
Aa
Black text reads best on this color (6.69:1).
About this color
#6997B5 is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.067 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.031 away. Black text reads best on it, at 6.69:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.69:1 |
| White text | 3.13:1 |
Values
| HEX | #6997B5 |
| RGB | rgb(105, 151, 181) |
| HSL | hsl(204, 34%, 56%) |
| OKLCH | oklch(65.5% 0.067 237.7) |
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 #6997B5 | 3.13:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #6997B5 | 6.69:1 | AA | Lc 45.7 | Large or bold text, headings |
| #6997B5 text on white | 3.13:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #6997B5 text on black | 6.69:1 | AA | Lc -43.4 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AEC4D4
oklch(80.9% 0.033 239.5)
-
Step 400
400
#82A6BE
oklch(70.7% 0.053 237.7)
-
Step 500
500 (this color)
#6997B5
oklch(65.5% 0.067 237.7)
-
Step 600
600
#487A99
oklch(55.7% 0.072 237.3)
-
Step 700
700
#396683
oklch(49.1% 0.068 238.5)
-
Step 800
800
#30536A
oklch(42.6% 0.056 238.8)
-
Step 900
900
#2B4556
oklch(37.7% 0.043 238.1)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#6997B5 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) | #8A96B7 | 0.041 |
| Deuteranopia (no green cones) | #7F8EB5 | 0.035 |
| Tritanopia (no blue cones) | #4B9FA1 | 0.053 |
| Achromatopsia (no color) | #919191 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6997B5
#6997B5
oklch(65.5% 0.067 237.7)
- #B08768
#B08768
oklch(65.5% 0.067 58.4)
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 #6997B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.031
- Blue Grey #758DA3 ΔE 0.034
- Greyblue #77A1B5 ΔE 0.035
- Faded Blue #658CBB ΔE 0.036
- Cadet Blue #5F9EA0 ΔE 0.045
- Cool Gray #8D99AE ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.050
- Light Slate Gray #778899 ΔE 0.050
Use #6997B5 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.