#6997AC
Closest named color: Blue Grey (#758DA3). oklch(65.1% 0.059 228.1), rgb(105, 151, 172).
Aa
Black text reads best on this color (6.62:1).
About this color
#6997AC is a medium-light, muted teal or cyan. In OKLCH its lightness is 65%, its chroma 0.059 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.029 away. Black text reads best on it, at 6.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.62:1 |
| White text | 3.17:1 |
Values
| HEX | #6997AC |
| RGB | rgb(105, 151, 172) |
| HSL | hsl(199, 29%, 54%) |
| OKLCH | oklch(65.1% 0.059 228.1) |
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 #6997AC | 3.17:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #6997AC | 6.62:1 | AA | Lc 45.3 | Large or bold text, headings |
| #6997AC text on white | 3.17:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #6997AC text on black | 6.62:1 | AA | Lc -42.9 | 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
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AEC5CF
oklch(80.9% 0.029 225.8)
-
Step 400
400
#83A7B7
oklch(70.7% 0.046 226.9)
-
Step 500
500 (this color)
#6997AC
oklch(65.1% 0.059 228.1)
-
Step 600
600
#497B91
oklch(55.6% 0.064 228)
-
Step 700
700
#3A677B
oklch(49% 0.059 228.5)
-
Step 800
800
#305464
oklch(42.6% 0.049 228.3)
-
Step 900
900
#2B4652
oklch(37.8% 0.039 227.9)
-
Step 950
950
#1A2930
oklch(27.1% 0.024 228.7)
#6997AC 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) | #8C95AD | 0.044 |
| Deuteranopia (no green cones) | #828DAC | 0.040 |
| Tritanopia (no blue cones) | #509D9E | 0.041 |
| Achromatopsia (no color) | #919191 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6997AC
#6997AC
oklch(65.1% 0.059 228.1)
- #AE8570
#AE8570
oklch(65.1% 0.059 48.4)
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 #6997AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.029
- Silver Lake Blue #778DA9 ΔE 0.030
- Cadet Blue #5F9EA0 ΔE 0.033
- Greyblue #77A1B5 ΔE 0.035
- Light Slate Gray #778899 ΔE 0.044
- Faded Blue #658CBB ΔE 0.045
- Cool Gray #8D99AE ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.049
Use #6997AC 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.