#649BAF
Closest named color: Cadet Blue (#5F9EA0). oklch(65.9% 0.065 223), rgb(100, 155, 175).
Aa
Black text reads best on this color (6.84:1).
About this color
#649BAF is a medium-light, muted teal or cyan. In OKLCH its lightness is 66%, its chroma 0.065 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.028 away. Black text reads best on it, at 6.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.84:1 |
| White text | 3.06:1 |
Values
| HEX | #649BAF |
| RGB | rgb(100, 155, 175) |
| HSL | hsl(196, 32%, 54%) |
| OKLCH | oklch(65.9% 0.065 223) |
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 #649BAF | 3.06:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #649BAF | 6.84:1 | AA | Lc 46.6 | Large or bold text, headings |
| #649BAF text on white | 3.06:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #649BAF text on black | 6.84:1 | AA | Lc -44.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#ABC6D0
oklch(81% 0.032 222.1)
-
Step 400
400
#7EA8B8
oklch(70.7% 0.051 223.4)
-
Step 500
500 (this color)
#649BAF
oklch(65.9% 0.065 223)
-
Step 600
600
#407D92
oklch(55.7% 0.071 222.9)
-
Step 700
700
#31697C
oklch(49.1% 0.066 222.9)
-
Step 800
800
#2A5665
oklch(42.8% 0.054 222.6)
-
Step 900
900
#274752
oklch(37.8% 0.042 222.2)
-
Step 950
950
#172930
oklch(26.9% 0.027 224.6)
#649BAF 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) | #8F98B0 | 0.052 |
| Deuteranopia (no green cones) | #848FAF | 0.048 |
| Tritanopia (no blue cones) | #44A1A1 | 0.043 |
| Achromatopsia (no color) | #939393 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649BAF
#649BAF
oklch(65.9% 0.065 223)
- #B58572
#B58572
oklch(65.9% 0.066 42.5)
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 #649BAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.028
- Greyblue #77A1B5 ΔE 0.030
- Blue Grey #758DA3 ΔE 0.040
- Silver Lake Blue #778DA9 ΔE 0.041
- Bluegrey #85A3B2 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.048
- Cool Gray #8D99AE ΔE 0.049
- Faded Blue #658CBB ΔE 0.052
Use #649BAF 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.