#6990A3
Closest named color: Blue Grey (#758DA3). oklch(63.1% 0.052 229.6), rgb(105, 144, 163).
Aa
Black text reads best on this color (6.11:1).
About this color
#6990A3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.052 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.016 away. Black text reads best on it, at 6.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #6990A3 |
| RGB | rgb(105, 144, 163) |
| HSL | hsl(200, 24%, 53%) |
| OKLCH | oklch(63.1% 0.052 229.6) |
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 #6990A3 | 3.43:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #6990A3 | 6.11:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #6990A3 text on white | 3.43:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #6990A3 text on black | 6.11:1 | AA | Lc -39.9 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE1
oklch(88.5% 0.015 231.2)
-
Step 300
300
#B1C4CE
oklch(80.9% 0.025 230.5)
-
Step 400
400
#87A6B5
oklch(70.7% 0.041 228.8)
-
Step 500
500 (this color)
#6990A3
oklch(63.1% 0.052 229.6)
-
Step 600
600
#507A8E
oklch(55.7% 0.056 229.5)
-
Step 700
700
#406779
oklch(49.2% 0.053 228.9)
-
Step 800
800
#355462
oklch(42.8% 0.043 228.2)
-
Step 900
900
#2F4550
oklch(37.7% 0.033 230.4)
-
Step 950
950
#1C292F
oklch(27.2% 0.021 228.1)
#6990A3 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) | #868EA4 | 0.037 |
| Deuteranopia (no green cones) | #7E88A3 | 0.033 |
| Tritanopia (no blue cones) | #559596 | 0.036 |
| Achromatopsia (no color) | #8A8A8A | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6990A3
#6990A3
oklch(63.1% 0.052 229.6)
- #A4816E
#A4816E
oklch(63.2% 0.052 49.9)
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 #6990A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.016
- Silver Lake Blue #778DA9 ΔE 0.023
- Light Slate Gray #778899 ΔE 0.026
- Steel #738595 ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.042
- Faded Blue #658CBB ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.043
- Steel Grey #6F828A ΔE 0.046
Use #6990A3 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.